00371nam a2200145   45000010005000000030003000050050017000080080041000250350018000660350017000840500023001011000019001242450059001432600023002028798UR20220428113738.0061102|||||||||||||||||||||||||||||||| d  a(janium) 8787  a(janium)8787 4aHC335.3b.B47 19531 aBergson, Abram10aSoviet economic growthb : conditions and perspectives  bRow Petersonc1953