TY  - BOOK
AU  - The Eifac Working Party on Biological Monitoring
TI  - The Value and Limitations of Various Approaches to The Monitoring of Water Quality for Freshwater Fish:FAO Eifac Technical Paper No.32(EIFAC/T32)
PY  - 1978///,
CY  - Rome
PB  - Food and Agriculture Organization
ER  -