@article {1881,
	title = {Description of a new octoploid frog species (Anura: Pipidae: Xenopus) from the Democratic Republic of the Congo, with a discussion of the biogeography of African clawed frogs in the Albertine Rift},
	journal = {Journal of Zoology},
	volume = {283},
	year = {2011},
	month = {04/2011},
	pages = {276 - 290},
	doi = {10.1111/j.1469-7998.2010.00769.x},
	author = {Evans, B.J. and Greenbaum, E. and Kusamba, C. and Carter, T. F. and Tobias, M. L. and Mendel, S. A. and Kelley, D. B.}
}
@article {1970,
	title = {Ensuring a future for South Africa{\textquoteright}s frogs: a strategy for conservation research},
	year = {2011},
	address = {Pretoria},
	editor = {Measey, G.J.}
}
@article {2307,
	title = {Examination of the molecular relationships of sand frogs (Anura: Pyxicephalidae: Tomopterna) and resurrection of two species from the Horn of Africa},
	journal = {Zootaxa},
	volume = {2933},
	year = {2011},
	pages = {27{\textendash}45},
	author = {Zimkus, B.M. and Larson, J.G.}
}
