The agricultural systems of the world : an evolutionary approach
| Main Author: | |
|---|---|
| Published: |
London:
Cambridge University Press,
1974.
|
| Series: | Cambridge geographical studies;
5 |
| Subjects: |
| Main Author: | |
|---|---|
| Published: |
London:
Cambridge University Press,
1974.
|
| Series: | Cambridge geographical studies;
5 |
| Subjects: |