TY  - BOOK
AU  - Williams Michael Ed.
TI  - Wetlands:  A threatened landscape   
T2  - Institute of British Geographers:Special Publicaiton series ,25
U1  - U216N.677.N7, M1 
PY  - 1990///
CY  - Massachusetts
PB  - Basil Blockwell         
KW  - Geomorphology
ER  -