Cover Image

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.
Description
Item Description:Caption title.
Originally published in: Mosaic, volume 6, number 3 (May/June 1975).
Microform.
Physical Description:pages 9-12 : illustrations ; 29 cm.