@book{15637,
	author = {KLEIN, L. R. and Goldberger, Arthur Stanley.},
	title = {An econometric model of the United States 1929-1952 by ... /},
	year = {1969.},
	address = {Amsterdam,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=15637}
}