TY  - GEN
AU  - Singh, R.S.
TI  - Role of blue green algae in nitrogen economy of Indian agriculture
T2  - ICAR monographs on algae
U1  - 631.847 095 4 SIN 
CY  - Newdelhi, I C A R
KW  - Blue green algae/ nitrogen economy/ agriculture - nitrogen economy - India/ nitrogen fixation
ER  -