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Energy vs. productivity : diminishing returns.

Bibliographic Details
Corporate Author: National Science Foundation (U.S.)
Format: Microform Book
Language:English
Published: Washington, D.C. : National Science Foundation, 1975.
Series:Energy and agriculture ; CNV 228.
Subjects:
Agricultural productivity > United States.
Agriculture > Energy consumption > United States.

Evans: Microforms (3rd floor)

Holdings details from Evans: Microforms (3rd floor)
Call Number: fiche S 104 CNV 228