00323nam a2200109Ia 4500008004100000020001500041082002300056100002000079245005300099260005500152300000600207260223b        |||||||| |||| 00| 0 eng d  a0816608016  a338.10723bM381.SA  aMartin, Lee R.   aA survey of agricultural economics literatureb/  aMinneapolis:bUniversity of Minnesota Press,c1981  a