TY  - BOOK
AU  - Whitford
AU  - Schumacher
TI  - A manual of fresh water algae
U1  - 579.8 
PY  - 1984///
CY  - Raleigh
PB  - Sparks press
KW  - Fresh water algae
KW  - Chlorophyta
KW  - Cryptophyta
ER  -