00273nam a2200109Ia 4500008004100000082002400041100001600065245002300081250001200104260003900116300000800155240913s9999||||xx |||||||||||||| ||und||  aFEFMAT519.72  GAS/L  aSaul I.Gass 0aLinear Programming  a5th Ed.  bDover PublicationsaNew Yorkc2014  a532