@book{27046,
	author = {FREJLAK, Sylwester and WERNEROWA, Jadwiga},
	title = {500 zagadek o ochronie środowiska człowieka /},
	publisher = {Wiedza Powszechna,},
	year = {1977.},
	address = {Warszawa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=27046}
}