00447    a2200157   4500020001500000082001500015100002300030245006700053260004700120300002000167440003600187650001500223650001400238650001600252700002100268  a0029479304  a338.1bHAZ  aHazell, Peter B.R.  aMathematical programming for economics analysis in agriculture  aNew YorkbMacmillan Publishingc1986g1986  axiv,400p.c24cm  aBiological resource management   aPRODUCTION  aECONOMICS  aAGRICULTURE  aNorton, Roger D.