00290nam a2200121Ia 45000030006000000080041000060400015000471000022000622450046000842600009001305460012001390050017001510STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aJohn Powelson, P.  aNational income and flow of fund analysis  c1960  aEnglish20220125165701.0