@book{19690,
	author = {Bär, Hans-Joachim. and Państwowe Wydawnictwo Naukowe},
	title = {Struktura materii :},
	publisher = {Państ. Wydaw. Naukowe,},
	year = {1980.},
	address = {Warszawa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=19690}
}