00315nam a2200097Ia 4500008004100000100001700041245006200058260006400120300001000184650002300194250121s9999||||xx |||||||||||||| ||und||  aWALRAS, Leon 0aElements of pure economics or the Theory of social wealth  aHomewood, IllinoisbThe American Economic Associationc1954  a620p.  aECONOMICS