@book {300,
	title = {South African Frogs: A Complete Guide},
	year = {1995},
	publisher = {Southern Book Publishers and Witwatersrand University Press},
	organization = {Southern Book Publishers and Witwatersrand University Press},
	address = {Cape Town, South Africa},
	keywords = {Petropedetidae, Phrynobatrachus},
	author = {Passmore, N. I. and V.C. Carruthers}
}
@book {1310,
	title = {South African Frogs: A Complete Guide},
	year = {1995},
	publisher = {Southern Book Publishers and University of the Witwatersrand Press},
	organization = {Southern Book Publishers and University of the Witwatersrand Press},
	edition = {2nd},
	address = {Johannesburg},
	author = {Passmore, N. I. and V.C. Carruthers}
}
@book {1280,
	title = {Atlas and Red Data Book of the Frogs of South Africa, Lesotho and Swaziland},
	series = {SI/MAB Series},
	volume = {9},
	year = {2004},
	publisher = {Smithsonian Institution},
	organization = {Smithsonian Institution},
	address = {Washington, D.C.},
	editor = {Minter, L. and Burger, M. and Harrison, J. and H.H. Braack and Bishop, P. J. and D. Kloepfer}
}
