Soils of the world : theirs formation, diagnostics, classification, correlation, geographic, distribution and agricultural potentialities soil regions of the world soil survey /
Wedi'i Gadw mewn:
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Cyhoeddwyd: |
Buenos Aires :
[s.n.],
1964
|
| Pynciau: |
| Mae'n ddrwg gennym, ni ellir dod o hyd i unrhyw awgrymiadau |