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George A. Duncan, John N. Walker, and Larry W. Turner.
Microfiche. Sanford, N.C. : Microfilming Corp. of America, 1981. 1 sheet ; 11 x 15 cm. (Energy and agriculture ; CNV 193)
Energy in agriculture (University of Kentucky. Cooperative Extension Service)
CL0091000001 University Microfilms International
University Microfilms International, 300 N. Zeeb Rd., Ann Arbor, MI 48106