Authors: van Wyk, JH Ruddock, L

Citation: Jh. Van Wyk et L. Ruddock, The male reproductive cycle of the lizard Agama atra (Sauria : Agamidae) in central South Africa, AMPHIB-REPT, 22(1), 2001, pp. 119-123

Authors: van Wyk, JH

Citation: Jh. Van Wyk, Seasonal variation in stomach contents and diet composition in the large girdled lizard, Cordylus giganteus (Reptilia : Cordylidae) in the Highveld grasslands of the northeastern Free State, South Africa, AFR ZOOL, 35(1), 2000, pp. 9-27

Authors: Pool, EJ van Wyk, JH Leslie, AJ

Citation: Ej. Pool et al., Inflammatory activity as an indicator of water quality: The use of human whole blood cultures, J IMMUNOASS, 21(4), 2000, pp. 387-399

Authors: Cooper, WE van Wyk, JH Mouton, PLN

Citation: We. Cooper et al., Incompletely protective refuges: Selection and associated defences by a lizard, Cordylus cordylus (Squamata : Cordylidae), ETHOLOGY, 105(8), 1999, pp. 687-700

Authors: van Wyk, JH Mouton, PIN

Citation: Jh. Van Wyk et Pin. Mouton, Reproduction and sexual dimorphism in the montane viviparous lizard, Pseudocordylus capensis (Sauria : Cordylidae), S AFR J ZOO, 33(3), 1998, pp. 156-165