TY  - BOOK
AU  - Ward, Henery Baldwin
AU  - Whipple, George Chandler
AU  - Edmondson, W. T., ed.
TI  - Fresh-Water biology
U1  - 594.929 
PY  - 1959///
CY  - New York
PB  - John Wiley
KW  - Fresh-Water biology
N1  - Includes index
ER  -