Pheiffer, W., Pieters, R., Quinn, L., & Smit, N. (2014). Polycyclic aromatic hydrocarbons (PAHs) in the aquatic ecosystems of Soweto and Lenasia. Suid-Afrikaans Tydskrif Vir Natuurwetenskap En Tegnologie / <i>South African Journal of Science and Technology</I&gt;, 33(1), 1 bladsy. https://doi.org/10.4102/satnt.v33i1.1204