TY  - BOOK
AU  - Smith, Gilbert M.
TI  - The fresh-water Algae of the United states.
U1  - 589.30973 SMF 
PY  - 1950///
CY  - New York: 
PB  - Mcgraw Hill Book
KW  - Botany, Zoology
N1  - Includes bibliog, illus( Mcgraw-Hill publications in botanical sciences)
ER  -