@book{159111,
	author = {Symposium on Fast Fracture and Crack Arrest and Hahn, G. T. and American Society for Testing and Materials.},
	title = {Fast fracture and crack arrest :},
	publisher = {ASTM,},
	year = {c1977.},
	series = {ASTM special technical publication ; 627.},
	address = {Philadelphia :}
}