TY  - GEN
AU  - Precott,G.W.
TI  - How to know the fresh-water algae:WM. C. Brown Company: An illustrated key for identifying the more common fresh-water algae to genus, with hundreds of species named and pictured and with numerous aids for their study
PY  - 1954///
CY  - Iowa
PB  - WM. C. Brown Company
KW  - Fresh-Water Algae
ER  -