Simulation of recreational use for park and wilderness management
| Үндсэн зохиолч: | |
|---|---|
| Формат: | Ном |
| Хэл сонгох: | англи |
| Хэвлэсэн: |
Baltimore
Published for Resources for the Future by the John Hopkins University Press
1978.
|
| Нөхцлүүд: |