LABAN, Tracey L.; BEUKES, Johan P.; VAN ZYL, Pieter G. Measurement of surface ozone in South Africa with reference to impacts on human health. Clean Air Journal, [S. l.], v. 25, n. 1, 2015. Disponível em: https://cleanairjournal.org.za/article/view/8433. Acesso em: 5 may. 2024.