@article {306,
	title = {Etude d{\textquoteright}une collection herpetologique faite au Cameroon de 1952 a 1955},
	journal = {Bullentin de l{\textquoteright}I.F.A.N.},
	volume = {XIX, Ser. A},
	number = {2},
	year = {1957},
	pages = {548-601},
	author = {Perret, J.-L. and Mertens, R.}
}
@article {245,
	title = {{\`E}tude compar{\`e}e de deux esp{\`e}ces de Phrynobatrachus souvent confondues: Phr. plicatus G{\"u}nther et Phr. auritus Boulenger},
	journal = {Bullentin de l{\textquoteright}I.F.A.N.},
	year = {1966},
	author = {M. Lamotte and Xavier, F.}
}
