@book{1269,
	author = {Sachse, Wolfgang. and Yamaguchi, Kusuo.},
	title = {Acoustic Emission: current practice and future directions},
	publisher = {Astm Intl,},
	year = {1991.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/0803113897/chopaconline-20}
}