@book {1313,
	title = {The Frogs of the Kruger National Park},
	year = {1976},
	publisher = {National Parks Board of South Africa},
	organization = {National Parks Board of South Africa},
	address = {Pretoria},
	author = {Pienaar, U. and Passmore, N. I. and V.C. Carruthers}
}
@book {1439,
	title = {The Frogs of the Kruger National Park},
	year = {1976},
	publisher = {National Parks Board of South Africa},
	organization = {National Parks Board of South Africa},
	address = {Pretoria},
	author = {Pienaar, U. de V. and Passmore, N. I. and V.C. Carruthers}
}
