@book{12172,
	author = {Kittel, Charles and Knight, Walter D. and Państwowe Wydawnictwo Naukowe},
	title = {Mechanika /},
	publisher = {Państwowy Wydawnictwo Naukowe,},
	year = {1969.},
	address = {Warszawa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=12172}
}