@article {1015,
	title = {Adaptive modifications in frogs of an isolated highland fauna in central Africa},
	journal = {Evolution},
	volume = {18},
	year = {1964},
	chapter = {458-467},
	author = {Laurent, R.F.}
}
@article {313,
	title = {The amphibia of Southern Africa: a faunal study},
	journal = {Annals of the Natal Museum},
	volume = {17},
	year = {1964},
	pages = {1-334},
	keywords = {Petropedetidae, Phrynobatrachus},
	author = {Poynton, J.C.}
}
@article {1440,
	title = {The amphibia of southern Africa: a faunal study.},
	journal = {Annals of the Natal Museum},
	year = {1964},
	pages = {1-334},
	author = {Poynton, J.C.}
}
@article {443,
	title = {A preliminary list of amphibians collected in Ghana},
	journal = {Videnskabelige Meddelelser fra Dansk Naturhistorisk Forening},
	volume = {127},
	year = {1964},
	pages = {1-17},
	author = {Schi{\o}tz, A.}
}
@article {1291,
	title = {Reptiles et amphibiens de l{\textquoteright}Angola},
	journal = {Publ. Cult. Comp. Diam. Angola, Estudos Diversos},
	year = {1964},
	pages = {11-165},
	author = {Laurent, R.F.}
}
@article {442,
	title = {The voices of some West African amphibians},
	journal = {Videnskabelige Meddelelser fra Dansk Naturhistorisk Forening},
	volume = {127},
	year = {1964},
	pages = {35-83},
	author = {Schi{\o}tz, A.}
}
