@article {371,
	title = {Two new genera of African Bufonids, with remarks on the phylogeny of related genera},
	journal = {Copeia},
	volume = {3},
	year = {1960},
	pages = {225-233},
	author = {Tihen, J.A.}
}
@article {2355,
	title = {Batraciens du genre Afrixalus du Cameroun.},
	journal = {Revue de Zoologie et de Botanique Africaines. Tervuren},
	volume = {61},
	year = {1960},
	pages = {366-374},
	author = {Perret, J.-L.}
}
@article {1532,
	title = {Climate and breeding in Xenopus laevis},
	journal = {South African Journal of Science},
	year = {1960},
	pages = {271-276},
	author = {Kalk, M.}
}
@article {2460,
	title = {{\'E}tudes herp{\'e}tologiques africains II.},
	journal = {Bulletin de la Soci{\'e}t{\'e} Neuch{\^a}teloise des Sciences Naturelles},
	volume = {83},
	year = {1960},
	pages = {93-100},
	author = {Perret, J.-L.}
}
