00288nam a2200109Ia 4500082002500000100002900025245006400054260003300118300001700151500000500168700000500173  a330.183(73)bOr64.MS  aOrcutt, G. H. and others  aMicroanalysis of socioeconomic systems ba simulation study  aNew YorkbHarper & Rowc1961  axviii, 425p.  a  a