@book{20042,
	author = {Kruszewski, Jan. and Ostachowicz, Wiesław.},
	title = {Mechanika ogólna /},
	year = {1981.},
	address = {Gdańsk,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=20042}
}