00462nam a2200157Ia 4500008004100000020001800041082001900059100002200078245003900100250000600139260005400145300000900199650003800208650003400246653002400280170901s1975 xx 000 0 und d a9788120301627 a658.4034bW12P aWagner, M. Harvey 0aPrincipales of Operations Research a2 aNew DelhibPrectice-Hall of India Pvt. Ltd.c1975 a1039 aManagement and Auxiliary services aTechnology (Applied sciences) aOperations research