| 其他書名 | The Effect of Freezing on the Number of Bacteria in Ice and Water from Lake Mendota ; Copepods Parasitic on Fish of the Trout Lake Region |
| 出版 | University of Wisconsin--Madison, 1918 |
| URL | http://books.google.com.hk/books?id=QxK70AEACAAJ&hl=&source=gbs_api |