@book{17499,
	author = {BĄK, Franciszek.},
	title = {Zarys materializmu historycznego.},
	year = {1977.},
	address = {Gliwice,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=17499}
}