@book{26914,
	author = {Hall, Arthur Lewis,},
	title = {A bibliography of South African geology for the years 1926 to 1930 (inclusive).},
	publisher = {Printed by the Government Printer,},
	year = {1931.},
	series = {South Africa. Geological Survey. Memoir},
	address = {Pretoria,},
	note = {At head of title: Union of South Africa. Department of Mines and Industries.}
}