TY  - BOOK
AU  - Davis,Bryan R..
AU  - Walker,Keith
TI  - The ecology of river systems / 
T2  - monographial biological, 
SN  - 9061935407
U1  - 577.64 
PY  - 1984///
CY  - Dorchester : 
PB  - W Jank Publishers , 
KW  - ECOLOGY - RIVER SYSTEM
N1  - Includes index
ER  -