@book{546465,
	author = {Langefors, U. and Kihlström, Björn,},
	title = {The modern technique of rock blasting,},
	publisher = {Wiley},
	year = {[1967, c1963]},
	address = {New York,},
	edition = {[2d ed.]},
	note = {On spine: Rock blasting.}
}