00451nam a2200157Ia 4500008004100000020001500041082001600056100002800072245005200100260004800152300000800200650001600208650001800224653003000242700002100272170901s1976    xx            000 0 und d  a0813810558  a519.7bP47M  aPfaffenberger, Roger C. 0aMathematical Programming Economics and Business  aIowabThe Iowa State University Pressc1976  a462  aMathematics  aPure Sciences  aProgramming (Mathematics)  aWalker, David A.