@article {254,
	title = {Contribution {\`a} l{\textquoteright}ost{\'e}ologie at {\`a} la syst{\'e}matique des ranides africains},
	journal = {Rev. Zool. Bot. Afric.},
	volume = {XXXIV},
	number = {2},
	year = {1941},
	pages = {192-235},
	author = {Laurent, R.}
}
@article {253,
	title = {Contribution {\`a} l{\textquoteright}ost{\'e}ologie at {\`a} la syst{\'e}matique des ranides africains},
	journal = {Rev. Zool. Bot. Afric.},
	volume = {XXXIV},
	number = {1},
	year = {1940},
	month = {28 December 1940},
	pages = {74-97},
	author = {Laurent, R.}
}
@article {255,
	title = {Notes on some South African amphibians},
	journal = {Publ. Univ. Elizabethville},
	volume = {1},
	year = {1961},
	pages = {197-209},
	keywords = {Anhydrophryne, Arthroleptella},
	author = {Laurent, R.}
}
