@book{21405,
	author = {HRYNKIEWICZ, Józef},
	title = {Społeczno-ekonomiczne... /},
	year = {1979.},
	address = {Warszawa,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=21405}
}