TY  - BOOK
AU  - Harper,David M.
AU  - Ferguson,Alastair J.D.
TI  - The ecological basis for river management
AV  - QH541 .5 1994
U1  - 627.1 
PY  - 1994///
CY  - New York
PB  - John Wiley & Sons
KW  - River management
ER  -