@book{27615,
	author = {Segnit, Ralph Walter.},
	title = {The pre-Cambrian-Cambrian succession;},
	publisher = {Frank Trigg, government printer,},
	year = {1939.},
	series = {South Australia. Geological survey. Bulletin},
	address = {Adelaide,},
	note = {At head of title: South Australia. Department of Mines, Geological Survey of South Australia.}
}