TY  - BOOK
AU  - Day,J.David
TI  - Estuarine ecology: with particular reference to southern Africa 
SN  - 9061912059
PY  - 1981///
CY  - Rotterdam
PB  - A. A. Balkema
KW  - Estuarine ecology
KW  - Africa, Southern
KW  - Addresses, essays, lectures
ER  -