@book{35428,
	author = {Rapid Excavation and Tunneling Conference and DiPonio, Michael A. and ebrary, Inc.},
	title = {Rapid Excavation and Tunneling Conference 2013 proceedings},
	publisher = {Society for Mining Metallurgy and Exploration,},
	year = {2013.},
	address = {Englewood :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10742710}
}