TY  - BOOK
TI  - Directory of wetlands of international importance
SN  - 2831700140
U1  - R 577.68025 21st ed.
PY  - 1990///
CY  - Cambridge
PB  - Ramsar Convention Bureau
KW  - Directories
KW  - Ecology
KW  - Wetland ecology
N1  - Index: pp 757-82
ER  -