00294nam a2200109Ia 4500008004100000041000800041100001800049245005300067260003700120365000800157999001900165231011s9999    xx            000 0 und d  aeng  aJames L.Riggs  aProduction Systems: Planning, Analysis & Control  bJohn Wiley and Sons New  York. -  b151  c883558d883558