00483nam a2200145Ia 4500008004100000082002000041100002200061245004700083260004000130300001300170600006200183600003500245600003300280650002400313140224s9999    xx            000 0 und d  a311:65.012.1 J9  aSasieni, Maurice.  aOperations research; methods and problems.  aNew YorkbJohn Wiley and Sonsc1959  axi,316p.  a Maurice Sasieni, Arthur Yaspan, (and) Lawrence Friedman.  aFriedman, Lawrence, jt. author  aYaspan, Arthur, joint author  aOperations research