TY  - BOOK
AU  - Prescott,G.W.
TI  - How to know the freshwater algae
T2  - The Pictured key nature series
SN  - 0697047555.
AV  - QK567 .P7 1978
U1  - 579.8PRE1978 
PY  - 1978///
CY  - Dubuque, Iowa
PB  - W. C. Brown
KW  - Biology
N1  - Includes; index
ER  -