@book{27243,
	author = {Nel, Louis T. and Geological Survey (South Africa)},
	title = {The geology of the Klerksdorp-Ventersdorp area;},
	publisher = {Printed in the Union of South Africa by the Government printer,},
	year = {1935.},
	address = {Pretoria,},
	note = {At head of title: Union of South Africa. Department of mines. Geological survey.}
}