@book{149644,
	author = {Shoemaker, Robert S. and ebrary, Inc.},
	title = {The circulating load},
	publisher = {Society for Mining, Metallurgy, and Exploration,},
	year = {c2002.},
	address = {Littleton, Colo. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10742714}
}