@mastersthesis {37500,
	title = {Improvement of surface coal mine blast design practice Cardinal River Coal Mine, Alberta},
	volume = {Mining, Metallurgical and Petroleum Engineering},
	year = {1990},
	pages = {213},
	address = {University of Alberta},
	url = {http://search.proquest.com/docview/89131665},
	author = {Xie, Yong Z.}
}
