@book{27511,
	author = {Hall, Arthur Lewis,},
	title = {Analyses of rocks, minerals, ores, coal, soils and waters from southern Africa;},
	publisher = {Printed in the Union of South Africa by the Government printer,},
	year = {1938.},
	series = {South Africa. Geological survey. Memoir},
	address = {Pretoria,},
	note = {At head of title: Union of South Africa. Department of mines. Geological survey.}
}