@book{7218,
	author = {Sorrell, Charles A.},
	title = {A field guide and introduction to the geology and chemistry of rocks & minerals /},
	publisher = {Golden Press,},
	year = {[c1973].},
	series = {A Golden field guide},
	address = {New York :},
	edition = {Original project ed.},
	note = {Includes index.}
}