@book{16001,
	author = {WIERNIK, Ryszard and ZAKRZEWSKI, Marek},
	title = {Mechanika pękania I /},
	year = {1975.},
	address = {Wrocław,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=16001}
}