00302nam a2200109Ia 4500082002000000100004100020245004100061260004200102300001500144500000500159700002800164  a519.72bD123.UG  aDaellenbach, Hans G. and Bell, E. J.  aUser's guide to linear programmingb  aEnglewood CliffsbPrentice-Hallc1970  axii, 226p.  a  aBell, E. J. ; jt. auth.