@book{19741,
	author = {Hertz, Zofia.},
	title = {Polistyren /},
	year = {1961.},
	series = {Tworzywa sztuczne},
	address = {Warszawa,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=19741}
}