TY  - BOOK
AU  -  Kumar, H. D.
AU  - Singh, H. N. 
TI  - A textbook on algae
U1  - 579 
PY  - 1971///
CY  - New delhi
PB  - Affiliated East-West Press
KW  - Algae
KW  - Morphology
KW  - Economic importance
ER  -