| 其他書名 | Nutrient Inactivation by Chemical Precipitation at Horseshoe Lake, Wisconsin. [An Inland Lake Renewal and Management Demonstration Project Report] |
| 出版 | Department of Natural Resources, 1972 |
| URL | http://books.google.com.hk/books?id=6eK_0AEACAAJ&hl=&source=gbs_api |