Biological indicators of water quality
JAMES, A.
Biological indicators of water quality - Chichester, U. K. 1979 - Iv. (various pagings)
WATER QUALITY -- MEASUREMENT -- CONGRESSES
WATER -- MICROBIOLOGY -- CONGRESSES WATER QUALITY -- MEASUREMENT -- CONGRESSES
628.161 C53B
Biological indicators of water quality - Chichester, U. K. 1979 - Iv. (various pagings)
WATER QUALITY -- MEASUREMENT -- CONGRESSES
WATER -- MICROBIOLOGY -- CONGRESSES WATER QUALITY -- MEASUREMENT -- CONGRESSES
628.161 C53B