@book{18787,
	author = {American Institute of Mining and Metallurgical Engineers. and Dolbear, Samuel Hood,},
	title = {Industrial minerals and rocks :},
	publisher = {AIME,},
	year = {1949.},
	series = {The Seeley W. Mudd series},
	address = {New York :},
	edition = {2nd ed. completely rev.}
}