@book{50206,
	author = {TRYFAN, Barbara and Polska Akademia Nauk},
	title = {Starość w rodzinie wiejskiej /},
	publisher = {Wydaw.PTTK"Kraj",},
	year = {1991.},
	address = {Warszawa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=50206}
}