@book{11577,
	title = {Aufgabensammlung zur technischen Mechanik.},
	year = {1968.},
	address = {Leipzig,},
	edition = {4te verb. Aufl.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=11577}
}