00289nam a2200121 a 4500041000800000082002000008100002100028245004700049260003200096300001000128650001800138650001100156  aeng  a336.0273bP582n  aPowelson, John P  aNational incoms and flow of funds analysis  aNew YorkbMcGraw Hillc1960  a550 p  aMACROECONOMIA  aTEORIA