00322nam a2200121Ia 4500008004100000041001200041082001600053100001800069245004800087260002800135300001300163650002400176231217s9999    xx            000 0 und d  aEnglish  a658.56  EIL  aEilon, Samuel 0aElements of production planning and control  c1991bUniversal Book Co  aviii+587  aProduction planning