Maritz, P.; Beukes, J.; van Zyl, P.; Conradie, E.; Liousse, C.; Galy-Lacaux, C.; Castéra, P.; Ramandh, A.; Mkhatshwa, G.; Venter, A. Spatial and Temporal Assessment of Organic and Black Carbon at Four Sites in the Interior of South Africa. Clean Air J. 2015, 25, 20.