Freshwater triclads (Turbellaria) of North America, V : the genus Polycelis.
| Main Author: | |
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| Corporate Author: | |
| Format: | Government Document eBook |
| Language: | English |
| Published: |
Washington, D.C. :
Smithsonian Institution Press,
1973.
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| Series: | Smithsonian contributions to zoology ;
no. 135. |
| Subjects: | |
| Online Access: | https://purl.fdlp.gov/GPO/gpo30993 |
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