@book{3911,
	author = {Gumiński, Kazimierz and Petelenz, Piotr.},
	title = {Elementy chemii teoretycznej /},
	publisher = {PWN,},
	year = {1989.},
	address = {Warszawa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=3911}
}