Ciliated protozoa an illustrated guide to the species used as biological indicators in freshwater biology.
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Geneva
World Health Organization
1972.
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| Pynciau: | |
| Mynediad Ar-lein: | Table of contents only |