00241nam a2200109Ia 4500082002100000100001800021245003900039260002800078300001500106500000500121700000500126  a330.947bC599.SE  aClarke, R. A.  aSoviet economic facts, 1917-1970b  aLondonbMacmillanc1972  axii, 151p.  a  a