Freshwater planarians (Turbellaria) of North America.
| Main Author: | |
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| Corporate Authors: | , |
| Format: | Government Document Book |
| Language: | English |
| Published: |
[Washington,
U.S. Environmental Protection Agency]; for sale by the Supt. of Docs., U.S. Govt. Print. Off.,
1972.
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| Series: | Biota of freshwater ecosystems identification manual ;
no. 1. Water pollution control research series. |
| Subjects: |