| 其他書名 | A Review of Relevant Literature Up to the End of September, 1971, Together with a Bibliography on the Ecological Effects of Recreational Activities |
| 出版 | Countryside Commission for Scotland, 1972 |
| 主題 | Reference / Bibliographies & IndexesTravel / Special Interest / Adventure |
| ISBN | 09022261269780902226128 |
| URL | http://books.google.com.hk/books?id=FoJRAAAAMAAJ&hl=&source=gbs_api |