@book{26183,
	author = {Hall, Arthur Lewis,},
	title = {A bibliography of South African geology to the end of 1920:},
	publisher = {The Government printing and stationery office,},
	year = {1922.},
	series = {South Africa. Geologial survey. Memoir},
	address = {Pretoria,},
	note = {At head of title: Union of South Africa. Department of mines and industries.}
}