@booklet {7610,
	title = {SPENCE, J. 1957. The geology of part of the Eastern Province of Tanganyika. Geological Survey of Tanganyika, Bulletin, 28: 1-62.},
	year = {1957},
	note = {SPENCE, J. 1957. The geology of part of the Eastern Province of Tanganyika. Geological Survey of Tanganyika, Bulletin, 28: 1-62.}
}
