| 其他書名 | Mirror/Shadow Lakes and White Clay Lake : ERS Staff Report |
| 出版 | Natural Resources Economics Division, Economic Research Service, U.S. Department of Ariculture, 1983 |
| URL | http://books.google.com.hk/books?id=bgsJM2fQ4x8C&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |