@book{26061,
	author = {ZIELIŃSKI, Zygmunt},
	title = {Wybrane zagadnienia ekonometrii /},
	year = {1973.},
	address = {Szczecin,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=26061}
}