German Geographical research overseas a report to the International Geographical Union
| Формат: | Ном |
|---|---|
| Хэл сонгох: | Undetermined |
| Хэвлэсэн: |
Bonn
Deutsche Forschungsgemeinschaft
1988
|
| Биет тодорхойлолт: | 172 |
|---|---|
| ISBN: | 3-527-27014-0 |