TY  - BOOK
AU  - Edwards. R.W. [ed.]
AU  - Garrod, D.J. [ed.]
ED  - British Ecological Society and the Zoological Society of London
TI  - Conservation and productivity of natural waters
T2  - (Symposia of the Zoological Society of London, no.29)
PY  - 1972///
CY  - London
PB  - Academic Press
ER  -