TY  - BOOK
AU  - Calow,Peter
AU  - Geoffrey E. Petts
TI  - The rivers handbook:  : hydrological and ecological principles
SN  - 0-632-02832-7
AV  - REF QH541.5.S7R59 1992 
PY  - 1992///
CY  - London
PB  -  : Blackwell Publishers
KW  - Stream ecology,
KW  - Hydrology
N1  - Includes bibliographical references and index
ER  -