@book{14346,
	author = {Armstead, H. Christopher H.},
	title = {Geothermal energy :},
	publisher = {Unesco,},
	year = {1973 [Reprint 1977].},
	series = {Earth sciences ;},
	address = {Paris :},
	note = {Label mounted on t.p.: Unipub, Inc., New York.}
}