00303nam a2200121Ia 45000030006000000080041000060400015000471000024000622450036000862600030001225460012001520050017001640STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aArnold Keppel, J.W.  aTheory of the cost price system  bGeorge Allen and Unwinc0  aEnglish20220125165608.0