TY  - GEN
AU  - 
AU  - Ghai, B.S., ed.
TI  - Symbiotic nitrogen fixation: Vol. 1
PY  - 1984///
CY  - Ludhiana
PB  - UCG Publishers & Distributers
KW  - Nitrogen Fixation
KW  - Symbiotic Nitrogen Fixation
ER  -