Bieri, Mari; Du Toit, Justin; Feig, Gregor Timothy; Maluta, Nnditshedzeni Eric; Mantlana, Brian; Mateyisi, Mohau; Midgley, Guy F.; Mutanga, Shingirirai; Von Maltitz, Graham; Brummer, Christian(National Association for Clean Air, 2022)
Khosa, Floyd Vukosi; Mateyisi, Mohau Jacob; Van der Merwe, Martina Reynita; Feig, Gregor Timothy; Engelbrecht, Francois Alwyn; Savage, Michael John(Copernicus Publications, 2020-04)