World population and food supplies, 1980 a symposium sponsored by the American Society of Agronomy.
| Corporate Author: | |
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| Format: | Book |
| Published: |
Madison
Wis.
1965.
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| Subjects: |
| Corporate Author: | |
|---|---|
| Format: | Book |
| Published: |
Madison
Wis.
1965.
|
| Subjects: |