Van der Nest, Magrieta Aletta; Slippers, Bernard; Steenkamp, Emma Theodora; De Vos, Lieschen; Van Zyl, Karlien; Stenlid, J.; Wingfield, Michael J.; Wingfield, Brenda D.(Elsevier, 2009)
Van der Nest, Magrieta Aletta; Steenkamp, Emma Theodora; Slippers, Bernard; Mongae, Aobakwe Oratile; Van Zyl, Karlien; Stenlid, J.; Wingfield, Michael J.; Wingfield, Brenda D.(Elsevier, 2011-11)