TY  - BOOK
AU  - Jeffries,Mike J.
AU  - Mills,Derek Henry
TI  - Freshwater ecology: principles and applications 
SN  - 0471946958
AV  - QH541.5.F7 J44 1997
PY  - 1997///
CY  - London, New York
PB  - John Wiley and Sons
KW  - Freshwater ecology
KW  - Nature
KW  - Effect of human beings on
N1  - Includes bibliographical references (pages [254]-275) and indexes
ER  -