@book{7356,
	author = {PENKALA, Tadeusz},
	title = {Optyka kryształów /},
	publisher = {PWN,},
	year = {1971.},
	address = {Warszawa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=7356}
}