00326nam a2200133Ia 45000030006000000080041000060400015000471000022000622450037000842500011001212600031001325460012001630050017001750STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aJohn Burbidge, L.  aPrinciples of production control  aSecond  bMac Donald and Evansc1968  aEnglish20220125165634.0