Regional economic planning : techniques of analysis for less deve loped areas; papers and proceedings of the first study conference on pr oblems of economic development organised by the European Productivity A gency, Bellagio, Italy, June 19th-July 1st 1960 /
edited by Walter I sard and John H. Cumberland.
- Paris , 1961.
- 450p. : maps, tables (part col.) diagrs ; 25cm.