TY  - GEN
AU  - 
AU  - Edwards, R.W., ed.
AU  - Garrod, D.J., ed.
TI  - Conservation and productivity of natural waters
SN  - 0126133298
PY  - 1972///
CY  - London
PB  - Academic Press
KW  - Hydrobiology
KW  - Conservation
KW  - Productivity
KW  - Natural Waters
ER  -