@book{128794,
	author = {Pan-African Congress on Prehistory and Clark, J. Desmond},
	title = {Third Pan-African Congress on Prehistory, Livingstone, 1955 /},
	publisher = {Catto & Windus,},
	year = {1957.},
	address = {London :},
	note = {Also cataloged as a serial in LC}
}