Land, water, and food a topical commentary on the past, present and future of irrigation, land reclamation and the food supplies they yield
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
London
Chapman & Hall
[c1961].
|
| Rhifyn: | 2nd ed., rev, & enl. |
| Pynciau: |