@article {35397,
	title = {Continuous surface mining : proceedings of an international symposium, Edmonton, September 29 - October 1, 1986, edited by T. S. Golosinski and F. G. Boehm},
	year = {1987},
	pages = {695},
	institution = {Trans Tech Publications},
	address = {Clausthal-Zellerfeld, Germany}
}
