@article {1531,
	title = {The extant species},
	year = {1996},
	pages = {9-33 in Tinsley, R.C., and H.R. Kobel, eds.},
	publisher = {Clarendon Press},
	address = {Oxford, UK.},
	author = {Kobel, H.R. and Loumont, C. and Tinsley, R.C.}
}
@inbook {1554,
	title = {Geographical distribution and ecology.},
	booktitle = {Pp. 35{\textendash}59 in Tinsley, R.C., and H.R. Kobel, eds., The Biology of Xenopus.},
	series = {Symposia of the Zoological Society of London 68.},
	year = {1996},
	publisher = {Clarendon Press},
	organization = {Clarendon Press},
	address = {Oxford, U.K.},
	author = {Tinsley, R.C. and Loumont, C. and Kobel, H.R.}
}
