TY  - BOOK
AU  - Megard,Robert O.
TI  - Rates of photosynthesis and phytoplankton growth in Shagawa lake, Minnesota
U1  - 363.7394 
PY  - 1973///
CY  - Washington
PB  - United States Government Printing Office
KW  - Phytoplankton
KW  - Water
KW  - Pollution
N1  - July 1973
ER  -