@book{21510,
	author = {ZIENKOWSKI, Leszek},
	title = {Poziom życia - metody, mierzenia i oceny /},
	year = {1979.},
	address = {Warszawa,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=21510}
}