@book{29456,
	author = {Stevens, Rollin E.},
	title = {Second report on a cooperative investigation of the composition of two silicate rocks /},
	publisher = {U.S. G.P.O.,},
	year = {1960.},
	address = {Washington, [D.C.] :},
	note = {"An investigation by staff members of University of Cape Town, South Africa; California Institute of Technology, Pasadena; Indiana Geological Survey, Bloomington; and U.S. Geological Survey."}
}