@book{23425,
	author = {Tourtelot, Elizabeth B. and Vine, James David,},
	title = {Copper deposits in the sedimentary and volcano-genic rocks (Geology and resources of copper) /},
	publisher = {U.S. Govt. Print. Off.,},
	year = {1976},
	series = {Professional paper ;},
	address = {Washington :}
}