Wayne A. Knoblauch, Linda D. Putnam

Dept. of Agricultural, Resource, and Managerial Economics, Cornell University Agricultural Experiment Station, College of Agriculture and Life Sciences [1997]- A.R.M.E. research bulletin 97-14, 98-06, 99-11, 2000-03

1996 , 1997 , 1998 , 1999

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