00317nam a2200133Ia 4500008004100000020001800041082001300059100002200072245002300094250000900117260004000126300000900166650000800175191201s2009    xx            000 0 und d  a9788121902816  a003bGUO  aGupta, Prem Kumar 0aOperation Research  aRep.  aN.DelhibS Chand and Co. Ltd.c2009  a1395  aMCA