TY  - BOOK
AU  - Stacet, Gary.
AU  - Burris, Robert H.
AU  - Evans, Harold J.
TI  - Biological Nitrogen Fixation / 
SN  - 8123905351
U1  - 589.7 
PY  - 1997///
CY  - .- New Delhi
PB  - : CBS Publishers
KW  - Pure Sciences
KW  - Botanical Sciences
KW  - Nitrogen Fixation
ER  -