@book{35448,
	author = {Kennedy, Bruce A. and Society for Mining, Metallurgy, and Exploration (U.S.)},
	title = {Surface mining},
	publisher = {Society for Mining, Metallurgy, and Exploration,},
	year = {1990.},
	address = {Littleton, Colo. :},
	edition = {2nd ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10742733}
}