00292nam a2200121Ia 45000030006000000080041000060400015000471000022000622450048000842600009001325460012001410050017001530STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSacity Thomas, L.  aMathematical methods of operations research  c1959  aEnglish20220125170051.0