TY  - BOOK
AU  - Subba Rao,N.S.
TI  - Recent advances in biological nitrogen fixation
SN  - 0713127791
U1  - 589.95041 
PY  - 1980///
CY  - London
PB  - Edward Arnold, 
KW  - NITROGENO
KW  - FIJACION
ER  -