TY  - BOOK
AU  - Ayanaba, A.
AU  - Dart, P. J.
TI  - Biological Nitogen Fixation in Farming Systems of the Tropics
SN  - 0471994995
U1  - 589.70913 
PY  - 1977///
CY  - New York
PB  - John Wiley and Sons
KW  - Botanical sciences
KW  - Pure Sciences
KW  - Nitrogen fixation
ER  -