TY  - BOOK
AU  - Williams,Michael
TI  - Wetlands: a threatened landscape 
T2  - Special publications series / Institute of British Geographers
SN  - 0631166149 :
AV  - QH87.3 .W47 1990
U1  - 333.91/8 20
PY  - 1991///
CY  - Oxford, UK, Cambridge, Mass., USA
PB  - B. Blackwell
KW  - Wetlands
KW  - Wetland ecology
KW  - Economic aspects
KW  - Wetland conservation
N1  - Includes bibliographical references (p. 356-390) and index
ER  -