Anderson, Ronald; Steel, Helen C.; Cockeran, Riana; Smith, Anthony M.; Von Gottberg, Anne; De Gouveia, L.; Brink, Andries J.; Klugman, Keith P.; Mitchell, Timothy J.; Feldman, Charles(Oxford University Press, 2007-02)
Anderson, Ronald; Steel, Helen C.; Cockeran, Riana; Von Gottberg, Anne; De Gouveia, L.; Klugman, Keith P.; Mitchell, Timothy J.; Feldman, Charles(Oxford University Press, 2007-11)
Wenhold, Friedeburg Anna Maria; Faber, Mieke; Van Averbeke, W.; Oelofse, Andre; Van Jaarsveld, P.; Jansen van Rensburg, W.S.; Van Heerden, I.; Slabbert, R.(Water Research Council, 2007-06)