@book{355285,
	author = {Guanglong, Dai.},
	title = {Mine safety and efficient exploitation facing challenges of the 21st century :},
	publisher = {CRC Press,},
	year = {2010.},
	address = {[S.l.] :},
	edition = {1st ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0415598966/chopaconline-20}
}