00309nam a2200109Ia 4500082002100000100003900021245004200060260004600102300001500148500000500163700003100168  a338.947bB499.ET  aBergson, Abhram and Kuznets, Simon  aEconomic trends in the Soviet Unionb  aCambridgebHarvard University Pressc1963  axiv, 392p.  a  aKuznets, Simon ; jt. auth.