@article {1546,
	title = {Xenopus gilli: Species account. Pp. 25{\textendash}28 in Branch, W.R. ed. South African Red Data Book {\textendash} Reptiles and Amphibians.},
	year = {1988},
	publisher = {CSIR},
	address = {Pretoria},
	issn = {Report no. 151.},
	author = {Picker, M.D. and De Villiers, A.L.}
}
@article {1545,
	title = {The distribution and conservation status of Xenopus gilli (Anura: Pipidae).},
	journal = {Biological Conservation},
	year = {1989},
	pages = {169-183},
	author = {Picker, M.D. and De Villiers, A.L.}
}
@inbook {1541,
	title = {Natural hybridization between Xenopus laevis laevis and X. gilli in the south-western Cape Province, South Africa},
	booktitle = {Tinsley, R.C., and H.R. Kobel, eds. The Biology of Xenopus. Symposia of the Zoological Society of London 68.},
	year = {1996},
	pages = {61-71},
	address = {Clarend on Press, Oxford, UK},
	author = {Picker, M.D. and J.A. Harrison and Wallace, D.}
}
