TY  - BOOK
AU  - Popham, Edward J. [from old catalog]
TI  - Some aspects of life in fresh water / 
AV  - QH96 .P67
U1  - 574.5263 
PY  - 1961///
CY  - Cambridge : 
PB  - Harvard University Press
KW  - Freshwater biology
N1  - Includes Index.
ER  -