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Optimal control theory applied to joint production of timber and forage
Steinkamp, Eric A., (1991)
Inter country comparison in feed production and consumption
Bansil, Puran Chand, (1997)
The impact of the federal feed grain program on corn production
Ballou, Robert Dale, (1989)
Separability and the shadow value of leisure time
Larson, Douglas M., (1993)
Joint recreation choices and implied values of time
On measuring existence value