TY  - BOOK
AU  - Subba Rao, N. S.
TI  - Biological nitrogen fixation : : recent developments 
SN  - 8120402650
U1  - 665.824 23
PY  - 1988///
CY  - New Delhi :  
PB  - Oxford & IBH Pub. Co.
KW  - Nitrogen
N1  - Includes index
ER  -