@article {1807,
	title = {Les esp{\`e}ces des genres Wolterstorffina et Nectophrynoides d{\textquoteright}Afrique (Amphibia Bufonidae)},
	journal = {Annales de la Faculte des Sciences du Cameroun},
	volume = {11},
	year = {1972},
	pages = {93-119},
	author = {Perret, J.-L.}
}
@article {1806,
	title = {Les esp{\`e}ces du genre Nectophrynoides d{\textquoteright}Afrique (Batraciens Bufonid{\'e}s)},
	journal = {Annales de la Faculte des Sciences du Cameroun},
	volume = {6},
	year = {1971},
	pages = {99-109},
	author = {Perret, J.-L.}
}
