@book{29397,
	author = {Tomkins, R. V.},
	title = {Natural sodium sulphate in Saskatchewan.},
	publisher = {Dept. of Mineral Resources, Industrial Minerals Research Branch,},
	year = {1954 [i.e.1955]},
	series = {Saskatchewan. Dept. of Mineral Resources. Report},
	address = {[Regina] Province of Saskatchewan},
	edition = {2d ed.}
}