00357nam a2200121 a 4500041000800000082001800008100001800026245010100044260002400145300001400169650002800183650002400211 afre a338.93bI71p5 aIsard, Walter aPlanification economique regionalebtechniques d'analyse aplicables aux regions sous-developpees aParísbOECEc1961 a467 pbil aPLANIFICACION ECONOMICA aDESARROLLO REGIONAL