@book{1182,
	author = {Conference on "Problems of Economic Development", European Productivity Agency, Bellagio, June 19 - July 1, 1960. and Isard, Walter ; ed.},
	title = {Regional, economic planning; techniques of analysis for less developed areas; papers and proceedings of the first study conference.},
	publisher = {OECD},
	address = {Paris}
}