@book{29298,
	author = {Thomas, G. A.},
	title = {The Permian Orthotetacea of Western Australia.},
	publisher = {A. J. Arthur, Commonwealth Govt. printer,},
	year = {1958.},
	series = {Australia. Bureau of Mineral Resources, Geology and Geophysics. Bulletin},
	address = {Canberra,}
}