@book{3687,
	author = {Kaiser, Peter K., and International Symposium on Rock Support},
	title = {Rock support in mining and underground construction /},
	publisher = {A. A. Balkema,},
	year = {1992.},
	address = {Rotterdam :},
	note = {Papers presented: International Symposium on Rock Support, Sudbury, Ontario, Canadá, 16-19 June 1992.}
}