TY  - BOOK
AU  - Etherington, John R.
TI  - Wetland ecology
SN  - 0713128658
AV  - QH541.M3.E8 Eth 
PY  - 1983///
CY  - London
PB  - Edward Arnold
KW  - Ecosystems
KW  - Water Habitats
KW  - Freshwater: rivers
ER  -