= Biological Monitoring of Water and effluent Quality 1 ![.](/images/dot-cl.gif) ![Title List](/images/title-list-catalog-en.png) 1 1![.](/images/dot-cl.gif)
| [книга] |
| Symposium on Biological Monitoring of Water and effluent Quality, Blacksburg. 2-4 Nov. 1975 |
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| Philadelphia : ASTM American Society for Testing and Materials |
| 1977 |
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