00343nam a2200121Ia 4500082002000000100001800020245005700038260004300095300002100138490005200159500000500211700000500216  a519.72bM165.LP  aMcLewin, Will  aLinear programming and applications; a course textb  aLondonbInput-Output Publicationc1981  axiv, 216p. Index  aInput-Output pubs. co. monograph seriesv no. 4  a  a