Fabregas, María C.; Fosgate, Geoffrey Theodore; Ganswindt, Andre; Bertschinger, Hendrik Jan; Hofmeyr, Markus; Meyer, Leith Carl Rodney(Springer, 2020-05)
Netherlands, Edward C.; Stroebel, Carlie; Du Preez, Louis H.; Shabangu, Ntji; Matjila, Paul Tshepo; Van Schalkwyk, Ockert Louis; Penzhorn, Barend Louis(Elsevier, 2021-04)