TY  - BOOK
AU  - Prescott,G.W.
TI  - How to know the freshwater algae
T2  - Pictured key nature series
U1  - 579.8 23
PY  - 1954///
CY  - Dubuque, Iowa
PB  - W.C. Brown Co.
KW  - Freshwater algae
N1  - Bibliography: p. 18-19
ER  -