Raeesa Moolla and Ryan S. Johnson, Spatial Distribution of Ambient BTEX Concentrations at an International Airport in South Africa. journal = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology. January 2019, vol. 146(2). 43 - 50 [viewed 21 September 2024]. Available from: https://publications.waset.org/pdf/10010015.