World population and food supplies, 1980 a symposium sponsored by the American Society of Agronomy.
| Korporativní autor: | |
|---|---|
| Médium: | Kniha |
| Jazyk: | English |
| Vydáno: |
Madison
Wis.
1965.
|
| Edice: | Its Special publications
no. 6 |
| Témata: |