@book{3631,
	author = {Stillborg, Bengt.},
	title = {Professional users handbook for rock bolting /},
	publisher = {Trans Tech Publications,},
	year = {©1994.},
	series = {Series on rock and soil mechanics ;},
	address = {Clausthal-Zellerfeld, Germany :},
	edition = {Second edition},
	note = {Includes index}
}