| 其他書名 | Relating Human Use to a Natural Resource : the Sixth Symposium on Hudson River Ecology, The Hudson River Environmental Society, September 18-19, 1985, Bear Mountain State Park, Bear Mountain, New York |
| 出版 | Hudson River Environmental Society, 1985 |
| URL | http://books.google.com.hk/books?id=BC1FAAAAYAAJ&hl=&source=gbs_api |