@book{19159,
	author = {SIENKO, Michell J. and PLANE, Robert A.},
	title = {Chemia :},
	year = {1980.},
	address = {Warszawa,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=19159}
}