@book{21299,
	author = {KLEPACZKO, J. and ANDRZEJEWSKI, A.},
	title = {Fracture toughness of some aluminium /},
	year = {1979.},
	address = {Warszawa,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=21299}
}