Llwytho...
Mapping of the UN framework classification for fossil enegy and mineral resources /
| Iaith: | Undetermined |
|---|---|
| Cyhoeddwyd: |
New York :
ECE,UN ,
2009.
|
| Cyfres: | The ECE energy Series No.33
|
| Pynciau: |
University of Kerala
| Rhif Galw: |
ECE |
|---|---|
| Copi | Nid yw'r Statws Byw ar Gael |