@book{28315,
	author = {Krige, Leo Jacobus,},
	title = {Borehole temperatures in the Transvaal and Orange Free State II.},
	publisher = {Govt. Printer,},
	year = {1948.},
	series = {South Africa. Geological Survey. Geological series. Bulletin},
	address = {Pretoria,},
	note = {English and Afrikaans.}
}