@book{41,
	author = {Leyko, Jerzy},
	title = {Mechanika ogólna.},
	publisher = {Państwowe Wydawnictwo Naukowe,},
	year = {1974.},
	address = {Warszawa :},
	edition = {Wyd. 3 popr.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=41}
}