Prof. Dr Tim Butler - IASS Publications

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Bozem, H., Butler, T. M., Lawrence, M. G., Harder, H., Martinez, M., Kubistin, D., Lelieveld, J., Fischer, H. (2017): Chemical processes related to net ozone tendencies in the free troposphere. - Atmospheric Chemistry and Physics, 17, 17, p. 10565-10582.
DOI: http://doi.org/10.5194/acp-17-10565-2017

Colette, A., Andersson, C., Manders, A., Mar, K. A., Mircea, M., Pay, M.-T., Raffort, V., Tsyro, S., Cuvelier, C., Adani, M., Bessagnet, B., Bergström, R., Briganti, G., Butler, T. M., Cappelletti, A., Couvidat, F., D'Isidoro, M., Doumbia, T., Fagerli, H., Granier, C., Heyes, C., Klimont, Z., Ojha, N., Otero, N., Schaap, M., Sindelarova, K., Stegehuis, A. I., Roustan, Y., Vautard, R., van Meijgaard, E., Vivanco, M. G., Wind, P. (2017): EURODELTA-Trends, a multi-model experiment of air quality hindcast in Europe over 1990–2010. - Geoscientific Model Development, 10, 9, p. 3255-3276.
DOI: http://doi.org/10.5194/gmd-10-3255-2017

von Schneidemesser, E., Kuik, F., Mar, K. A., Butler, T. M. (2017 online): Potential reductions in ambient NO2 concentrations from meeting diesel vehicle emissions standards. - Environmental Research Letters.
DOI: http://doi.org/10.1088/1748-9326/aa8c84

Otero Felipe, N., Sillmann, J., Butler, T. M. (2017 online): Assessment of an extended version of the Jenkinson–Collison classification on CMIP5 models over Europe. - Climate Dynamics.
DOI: http://doi.org/10.1007/s00382-017-3705-y

Churkina, G., Kuik, F., Bonn, B., Lauer, A., Grote, R., Tomiak, K., Butler, T. M. (2017): Effect of VOC Emissions from Vegetation on Air Quality in Berlin during a Heatwave. - Environmental Science and Technology, 51, 11, p. 6120-6130.
DOI: http://doi.org/10.1021/acs.est.6b06514

Mues, A., Rupakheti, M., Münkel, C., Lauer, A., Bozem, H., Hoor, P., Butler, T. M., Lawrence, M. G. (2017): Investigation of the mixing layer height derived from ceilometer measurements in the Kathmandu Valley and implications for local air quality. - Atmospheric Chemistry and Physics, 17, 13, p. 8157-8176.
DOI: http://doi.org/10.5194/acp-17-8157-2017

Weger, L., Abánades, A., Butler, T. M. (2017): Methane cracking as a bridge technology to the hydrogen economy. - International Journal of Hydrogen Energy, 42, 1, p. 720-731.
DOI: http://doi.org/10.1016/j.ijhydene.2016.11.029

Coates, J., Mar, K. A., Ojha, N., Butler, T. M. (2016): The influence of temperature on ozone production under varying NOx conditions – a modelling study. - Atmospheric Chemistry and Physics, 16, p. 11601-11615.
DOI: http://doi.org/10.5194/acp-16-11601-2016

Churkina, G., Kuik, F., Bonn, B., Lauer, A., Grote, R., Butler, T. M. (2016): Effect of VOC emissions from vegetation on urban air quality during hot periods, (Geophysical Research Abstracts ; Vol. 18, EGU2016-7220, 2016), General Assembly European Geosciences Union (EGU) (Vienna, Austria 2016).

Cavazos Guerra, C., Lauer, A., Herber, A. B., Butler, T. M., Rinke, A., Dethloff, K. (2016 online): Implications on atmospheric dynamics and the effect on black carbon transport into the Eurasian Arctic based on the choice of land surface model schemes and reanalysis data in model simulations with WRF. - Atmospheric Chemistry and Physics Discussion, p. 1-40.
DOI: http://doi.org/10.5194/acp-2016-942

Mues, A., Rupakheti, M., Hoor, P., Bozem, H., Münkel, C., Lauer, A., Butler, T. M. (2016): The seasonal cycle of the mixing layer height and its impact on black carbon concentrations in the Kathmandu Valley (Nepal), (Geophysical Research Abstracts ; Vol. 18, EGU2016-7832, 2016), General Assembly European Geosciences Union (EGU) (Vienna, Austria 2016).

Cavazos Guerra, C., Lauer, A., Herber, A., Butler, T. M. (2016): Implications of the choice of land surface model schemes and reanalyzes data for initialization in model simulations with WRF to characterize atmospheric dynamics and the effect on black carbon concentrations into the Eurasian Arctic - Abstract GC21A-1052, AGU 2016 Fall Meeting (San Francisco, USA 2016).

Kuik, F., Lauer, A., Churkina, G., Denier van der Gon, H. A. C., Fenner, D., Mar, K. A., Butler, T. M. (2016): Air quality modelling in the Berlin–Brandenburg region using WRF-Chem v3.7.1: sensitivity to resolution of model grid and input data. - Geoscientific Model Development, 9, 12, p. 4339-4363.
DOI: http://doi.org/10.5194/gmd-9-4339-2016

Kuik, F., Lauer, A., von Schneidemesser, E., Butler, T. M. (2016): The impact of traffic emissions on air quality in the Berlin-Brandenburg region – a case study on cycling scenarios - Abstract B33H-0723, AGU 2016 Fall Meeting (San Francisco, USA 2016).

Mar, K. A., Colette, A., Adani, M., Bessagnet, B., Briganti, G., Cappelletti, A., Cuvelier, C., D’Isidoro, M., Fagerli, H., Vivanco, M. G., Manders, A., Pay, M. T., Raffort, V., Roustan, Y., Theobald, M., Tsyro, S., Wind, P., Ojha, N., Pozzer, A., Butler, T. M. (2016): Twenty years of ozone air quality in Europe: trends in models and measurements, (Abstracts), Quadrennial Ozone Symposium of the International Ozone Commission (Edinburgh, UK 2016).

Kuik, F., Churkina, G., Lauer, A., Mar, K. A., Butler, T. M. (2016): High-resolution modeling of urban air quality in the Berlin-Brandenburg region with WRF-Chem: A model evaluation. - Poster presented at 10th International Conference on Air Quality - Science and Application (Milan, Italy 2016)

Mar, K. A., Ojha, N., Pozzer, A., Butler, T. M. (2016): Ozone air quality simulations with WRF-Chem (v3.5.1) over Europe: model evaluation and chemical mechanism comparison. - Geoscientific Model Development, 9, p. 3699-3728.
DOI: http://doi.org/10.5194/gmd-9-3699-2016

Bonn, B., von Schneidemesser, E., Andrich, D., Quedenau, J., Gerwig, H., Lüdecke, A., Kura, J., Pietsch, A., Ehlers, C., Klemp, D., Kofahl, C., Nothard, R., Kerschbaumer, A., Junkermann, W., Grote, R., Pohl, T., Weber, K., Lode, B., Schönberger, P., Churkina, G., Butler, T. M., Lawrence, M. G. (2016): BAERLIN2014 – the influence of land surface types on and the horizontal heterogeneity of air pollutant levels in Berlin. - Atmospheric Chemistry and Physics, 16, 12, p. 7785-7811.
DOI: http://doi.org/10.5194/acp-16-7785-2016

Prank, M., Sofiev, M., Tsyro, S., Hendriks, C., Semeena, V., Vazhappilly Francis, X., Butler, T. M., Denier van der Gon, H., Friedrich, R., Hendricks, J., Kong, X., Lawrence, M. G., Righi, M., Samaras, Z., Sausen, R., Kukkonen, J., Sokhi, R. (2016): Evaluation of the performance of four chemical transport models in predicting the aerosol chemical composition in Europe in 2005. - Atmospheric Chemistry and Physics, 16, p. 6041-6070.
DOI: http://doi.org/10.5194/acp-16-6041-2016

von Schneidemesser, E., Coates, J., Denier van der Gon, H., Visschedijk, A., Butler, T. M. (2016): Variation of the NMVOC speciation in the solvent sector and the sensitivity of modelled tropospheric ozone. - Atmospheric Environment, 135, p. 59-72.
DOI: http://doi.org/10.1016/j.atmosenv.2016.03.057

Otero Felipe, N., Sillmann, J., Schnell, J. L., Rust, H. W., Butler, T. M. (2016): Synoptic and meteorological drivers of extreme ozone concentrations over Europe. - Environmental Research Letters, 11, 2, 024005.
DOI: http://doi.org/10.1088/1748-9326/11/2/024005

Lourens, A. S., Butler, T. M., Beukes, J. P., van Zyl, P. G., Fourie, G. D., Lawrence, M. G. (2016): Investigating atmospheric photochemistry in the Johannesburg-Pretoria megacity using a box model. - South African Journal of Science, Volume 112, 1/2, p. 103-113.
DOI: http://doi.org/10.17159/sajs.2016/2015-0169

Tiwari, S., Grote, R., Churkina, G., Butler, T. M. (2016): Ozone damage, detoxification and the role of isoprenoids - new impetus for integrated models. - Functional Plant Biology, 43, 4, p. 324-336.
DOI: http://doi.org/10.1071/FP15302

Churkina, G., Kuik, F., Lauer, A., Bonn, B., Butler, T. M. (2015): Effect of heat waves on VOC emissions from vegetation and urban air quality - Abstract B33E-0777, AGU 2015 Fall Meeting (San Francisco, USA 2015).

Kuik, F., Churkina, G., Butler, T. M., Lauer, A., Mar, K. A. (2015): Modeling Urban Air Quality in the Berlin-Brandenburg Region: Evaluation of a WRF-Chem Setup - Abstract B33E-0776, AGU 2015 Fall Meeting (San Francisco, USA 2015).

Coates, J., Butler, T. M. (2015): The Influence of Atmospheric Conditions on the Production of Ozone during VOC Oxidation - Abstract A21A-0054, AGU 2015 Fall Meeting (San Francisco, USA 2015).

Butler, T. M., Lode, B., Parker, A., Mar, K. A., Schmidt, F., Lawrence, M. G. (2015): Long-term climate goals. Decarbonisation, carbon neutrality, and climate neutrality, (IASS Brochure), Potsdam : Institute for Advanced Sustainability Studies (IASS).
DOI: http://doi.org/10.2312/iass.2015.029

Coates, J., Butler, T. M. (2015): A comparison of chemical mechanisms using Tagged Ozone Production Potential (TOPP) analysis. - Atmospheric Chemistry and Physics, 15, p. 8795-8808.
DOI: http://doi.org/10.5194/acp-15-8795-2015

Folberth, G. A., Butler, T. M., Collins, W. J., Rumbold, S. T. (2015): Megacities and climate change – A brief overview. - Environmental Pollution, 203, p. 235-242.
DOI: http://doi.org/10.1016/j.envpol.2014.09.004

Otero Felipe, N., Butler, T. M., Sillmann, J. (2015): Statistical approach for assessing the influence of synoptic and meteorological conditions on ozone concentrations over Europe, (Geophysical Research Abstracts, Vol. 17, EGU2015-4004-3, 2015), General Assembly European Geosciences Union (EGU) (Vienna, Austria 2015).

Churkina, G., Grote, R., Butler, T. M., Lawrence, M. G. (2015): Natural selection? Picking the right trees for urban greening. - Environmental Science and Policy, 47, p. 12-17.
DOI: http://doi.org/10.1016/j.envsci.2014.10.014

Mar, K. A., Coates, J., Zhu, S., Butler, T. M. (2014): Time evolution of ozone production from VOCs. - In: Mitto, T., Fallmann, J., Mikolajczyk, U., Suppan, P., Singh, V., Sokh, R. S. (Eds.), - Proceedings of Abstracts 9th International Conference on Air Quality – Science and Application, 9th International Conference on Air Quality – Science and Application (Garmisch-Partenkirchen, Germany 2014), p. 206.

Grote, R., Churkina, G., Butler, T. M., Morfopoulos, C. (2014): A model for feedbacks between biogenic emissions and urban air quality. - In: Mitto, T., Fallmann, J., Mikolajczyk, U., Suppan, P., Singh, V., Sokh, R. S. (Eds.), - Proceedings of Abstracts 9th International Conference on Air Quality – Science and Application, 9th International Conference on Air Quality – Science and Application (Garmisch-Partenkirchen, Germany 2014), p. 48.

von Schneidemesser, E., Coates, J., Mar, K. A., van der Gon, H. D., Visschedijk, A., Butler, T. M. (2014): Ozone production in models and the role of NMVOC speciation - International REKLIM conference „Our climate our future; regional perspectives on a global challenge“. Conference proceedings, programme, abstracts, (Terra Nostra ; 2014), International REKLIM conference „Our climate our future; regional perspectives on a global challenge“ (Berlin, Germany 2014), p. 78.

Coates, J., Butler, T. M. (2014): Understanding ozone pollution: A comparison of chemical mechanisms - International REKLIM conference „Our climate our future; regional perspectives on a global challenge“. Conference proceedings, programme, abstracts, (Terra Nostra ; 2014), International REKLIM conference „Our climate our future; regional perspectives on a global challenge“ (Berlin, Germany 2014), p. 85.

Zhu, S., Butler, T. M. (2014): Source attribution of tropospheric ozone using tagging techniques - International REKLIM conference „Our climate our future; regional perspectives on a global challenge“. Conference proceedings, programme, abstracts, (Terra Nostra ; 2014), International REKLIM conference „Our climate our future; regional perspectives on a global challenge“ (Berlin, Germany 2014), p. 77-78.

Otero Felipe, N., Sillmann, J., Butler, T. M. (2014): Effect of ‘low-wind’ circulation types on air pollution conditions in present and future climate - International REKLIM conference „Our climate our future; regional perspectives on a global challenge“. Conference proceedings, programme, abstracts, (Terra Nostra ; 2014), International REKLIM conference „Our climate our future; regional perspectives on a global challenge“ (Berlin, Germany 2014), p. 86-87.

Churkina, G., Grote, R., Butler, T. M. (2014): Heat waves, urban vegetation and air pollution - International REKLIM conference „Our climate our future; regional perspectives on a global challenge“. Conference proceedings, programme, abstracts, (Terra Nostra ; 2014), International REKLIM conference „Our climate our future; regional perspectives on a global challenge“ (Berlin, Germany 2014), p. 88.

Churkina, G., Grote, R., Butler, T. M. (2014): Heat Waves, Urban Vegetation and Air Pollution - Abstract B13I-0331, AGU 2014 Fall Meeting (San Francisco, USA 2014).

Mar, K. A., von Schneidemesser, E., Coates, J., van der Gon, H. D., Visschedijk, A., Butler, T. M. (2014): Sensitivity of Modeled European Ozone Concentrations to NMVOC Speciation - Abstract A33F-3266, AGU 2014 Fall Meeting (San Francisco, USA 2014).

Grote, R., Morfopoulos, C., Niinemets, Ü., Sun, Z., Keenan, T. F., Pacifico, F., Butler, T. M. (2014): A fully integrated isoprenoid emissions model coupling emissions to photosynthetic characteristics. - Plant, Cell and Environment, 37, 8, p. 1965-1980.
DOI: http://doi.org/10.1111/pce.12326

von Schneidemesser, E., Coates, J., van der Gon, H. D., Butler, T. M. (2014): The Effect of VOC Speciation on Ozone and Carbon Monoxide Concentrations, (Geophysical Research Abstracts, Vol. 16, EGU2014-15528, 2014), General Assembly European Geosciences Union (EGU) (Vienna, Austria 2014).

Nölscher, A., Butler, T. M., Auld, J., Veres, P., Muñoz, A., Taraborrelli, D., Vereecken, L., Lelieveld, J., Williams, J. (2014): Using total OH reactivity to assess isoprene photooxidation via measurement and model. - Atmospheric Environment, 89, p. 453-463.
DOI: http://doi.org/10.1016/j.atmosenv.2014.02.024

Fountoukis, C., Butler, T. M., Lawrence, M. G., Denier van der Gon, H. A. C., Visschedijk, A.. H., Charalampidis, P., Pilinis, C., Pandis, S. N. (2014): Impacts of controlling biomass burning emissions on wintertime carbonaceous aerosol in Europe. - Atmospheric Environment, 87, p. 175-182.
DOI: http://doi.org/10.1016/j.atmosenv.2014.01.016

Liu, C., Beirle, S., Butler, T. M., Hoor, P., Frankenberg, C., Jöckel, P., Penning de Vries, M., Platt, U., Pozzer, A., Lawrence, M. G., Lelieveld, J., Tost, H., Wagner, T. (2014): Profile information on CO from SCIAMACHY observations using cloud slicing and comparison with model simulations. - Atmospheric Chemistry and Physics, 14, 3, p. 1717-1732.
DOI: http://doi.org/10.5194/acp-14-1717-2014

Churkina, G., De Flander, K., Marian, A., Rivera, M., von Schneidemesser, E., Schmale, J., Butler, T. M. (2014): Urban Challenges at IASS. - Poster presented at IASS Evaluation (Potsdam, Germany 2014)

Abánades, A., Bayer, B., Butler, T. M., Chervyakov, A., Cremonese, L., Flynn, M. P., Gusev, A., Jacobs, D., Keil, K., Lauer, A., Lode, B., Lorenz, N., Maas, A., Marian, A., Martinez-Val, J. M., Matschoss, P., Mehravaran, K., Müller, A., Peinl, H., Rathnam, R. K., Rupakheti, M., Schäuble, D., Schmale, J., Sperk, C., Stückrad, S., Thomas, H., Tomiak, K., Unger, S., Weigelt, J. (2014): Transition to Sustainable Energy. An Emerging Energy Agenda. - Poster presented at IASS Evaluation (Potsdam, Germany 2014)

Coates, J., Butler, T. M. (2014): Understanding Ozone Pollution. PhD Project: A Comparison of Chemical Mechanisms. - Poster presented at IASS Evaluation (Potsdam, Germany 2014)

Schmale, J., Butler, T. M., von Schneidemesser, E., Chabay, I., Churkina, G., Lauer, A., Bonn, B., Coates, J., Mar, K. A., Tomiak, K. (2014): Clean air for Berlin and Potsdam. From Science to Implementation. - Poster presented at IASS Evaluation (Potsdam, Germany 2014)

Otero Felipe, N., Sillmann, J., Butler, T. M. (2014): Wind, Climate and Air Pollution. PhD Project: Effect of “low-wind” circulation types on air pollution conditions in present and future climate. - Poster presented at IASS Evaluation (Potsdam, Germany 2014)

Butler, T. M., Bonn, B., Churkina, G., Coates, J., Grote, R., Mar, K. A., Otero Felipe, N., von Schneidemesser, E., Tomiak, K., Zhu, S. (2014): Short-Lived Climate-Forcing Pollutants. Tropospheric Ozone and Gas Phase Chemistry. - Poster presented at IASS Evaluation (Potsdam, Germany 2014)

Mar, K. A., Coates, J., von Schneidemesser, E., Butler, T. M. (2014): Air Quality Modeling for Europe. Understanding ozone pollution at the regional scale. - Poster presented at IASS Evaluation (Potsdam, Germany 2014)

Churkina, G., Grote, R., Bonn, B., Butler, T. M. (2014): Urban Greening. Making urban greening beneficial to everybody. - Poster presented at IASS Evaluation (Potsdam, Germany 2014)

Stock, Z. S., Russo, M. R., Butler, T. M., Archibald, A. T., Lawrence, M. G., Telford, P. J., Abraham, N. L., Pyle, J. A. (2013): Modelling the impact of megacities on local, regional and global tropospheric ozone and the deposition of nitrogen species. - Atmospheric Chemistry and Physics, 13, 24, p. 12215-12231.
DOI: http://doi.org/10.5194/acp-13-12215-2013

Coates, J., Butler, T. M. (2013): Comparing Chemical Mechanisms using Tagged Ozone Production Potentials - Abstract A21K-03, AGU 2013 Fall Meeting (San Francisco, USA 2013).

Butler, T. M., Churkina, G., Coates, J., Grote, R., Mar, K. A., von Schneidemesser, E., Zhu, S. (2013): Tracking the sources of tropospheric ozone - Abstract A11C-0044, AGU 2013 Fall Meeting (San Francisco, USA 2013).

Grote, R., Churkina, G., Butler, T. M., Morfopoulos, C. (2013): Urban greening impacts on tropospheric ozone - Abstract B34C-06, AGU 2013 Fall Meeting (San Francisco, USA 2013).

Butler, T. M. (2013): Urban and global effects of megacity pollution. - In: Barnes, I. (Ed.), Disposal of Dangerous Chemicals in Urban Areas and Mega Cities. Role of Oxides and Acids of Nitrogen in Atmospheric Chemistry, (NATO Science for Peace and Security Series C: Environmental Security), Dordrecht [u.a.] : Springer, p. 265-272.
DOI: http://doi.org/10.1007/978-94-007-5034-0_21

Burrows, S. M., Rayner, P. J., Butler, T. M., Lawrence, M. G. (2013): Estimating bacteria emissions from inversion of atmospheric transport: sensitivity to modelled particle characteristics. - Atmospheric Chemistry and Physics, 13, 11, p. 5473-5488.
DOI: http://doi.org/10.5194/acp-13-5473-2013

Houweling, S., Badawy, B., Baker, D. F., Basu, S., Belikov, D., Bergamaschi, P., Bousquet, P., Broquet, G., Butler, T. M., Canadell, J. G., Chen, J., Chevallier, F., Ciais, P., Collatz, G. J., Denning, S., Engelen, R., Enting, I. G., Fischer, M. L., Fraser, A., Gerbig, C., Gloor, M., Jacobson, A. R., Jones, D. B. A., Heimann, M., Khalil, A., Kaminski, T., Kasibhatla, P. S., Krakauer, N. Y., Krol, M., Maki, T., Maksyutov, S., Manning, A., Meesters, A., Miller, J. B., Palmer, P. I., Patra, P., Peters, W., Peylin, P., Poussi, Z., Prather, M. J., Randerson, J. T., Rockmann, T., Rodenbeck, C., Sarmiento, J. L., Schimel, D. S., Scholze, M., Schuh, A., Suntharalingam, P., Takahashi, T., Turnbull, J., Yurganov, L., Vermeulen, A. (2012): Iconic CO2 Time Series at Risk. - Science, 337, p. 1038-1040.
DOI: http://doi.org/10.1126/science.337.6098.1038-b

Butler, T. M. (2012): Influence of emissions downscaling on global simulations of megacity ozone air quality - 15th GEIA Conference Emissions to A ddress Science & Policy Needs. Abstracts, 15th GEIA Conference Emissions to A ddress Science & Policy Needs (Toulouse, France 2012).

Butler, T. M., Fountoukis, C., Lawrence, M. G. (2012): The influence of the gas phase chemistry of volatilised particulate phase components on gas phase budgets of radicals, NOx, and ozone - Abstract A53O-0373, AGU 2012 Fall Meeting (San Francisco, USA 2012).

Butler, T. M., Stock, Z., Russo, M., Denier van der Gon, H., Lawrence, M. G. (2012): Megacity ozone air quality under four alternative future scenarios - Abstract, Atmospheric Chemistry in the Anthropocene. The 12th International Global Atmospheric Chemistry (IGAC) Science Conference (Beijing, China 2012).

Butler, T. M., Stock, Z. S., Russo, M. R., Denier van der Gon, H. A. C., Lawrence, M. G. (2012): Megacity ozone air quality under four alternative future scenarios, (Geophysical Research Abstracts, Vol. 14, EGU2012-2060, 2012 ), General Assembly European Geosciences Union (EGU) (Vienna, Austria 2012).

Weger, L., Lawrence, M. G., Butler, T. M. (2012): Report on CH4 in the Representative Concentration Pathways, Potsdam : Institute for Advanced Sustainability Studies (IASS).

Folberth, G. A., Rumbold, S. T., Collins, W. J., Butler, T. M. (2012): Global radiative forcing and megacities. - Urban Climate, 1, p. 4-19.
DOI: http://doi.org/10.1016/j.uclim.2012.08.001

Butler, T. M., Stock, Z. S., Russo, M. R., Gon, D. V. D., C., H. A., Lawrence, M. G. (2012): Megacity ozone air quality under four alternative future scenarios. - Atmospheric Chemistry and Physics, 12, 10, p. 4413-4428.
DOI: http://doi.org/10.5194/acp-12-4413-2012

Ojha, N., Naja, M., Singh, K. P., Sarangi, T., Kumar, R., Lal, S., Lawrence, M. G., Butler, T. M., Chandola, H. C. (2012): Variabilities in ozone at a semi-urban site in the Indo-Gangetic Plain region: Association with the meteorology and regional processes. - Journal of Geophysical Research: Atmospheres, 117, 20, D20301.
DOI: http://doi.org/10.1029/2012JD017716

Lourens, A. S. M., Butler, T. M., Beukes, J. P., Zyl, V., G., P., Beirle, S., Wagner, T. K., Heue, K. P., Pienaar, J. J., Fourie, G. D., Lawrence, M. G. (2012): Re-evaluating the NO2 hotspot over the South African Highveld. - South African Journal of Science, 108, 11/12.
DOI: http://doi.org/10.4102/sajs.v108i11/12.1146