TY  - GEN
AU  - 
AU  - Food and Agricultural Organization of the United Nations
TI  - Technical handbook on symbiotic nitrogen fixation: Legume/Rhizobium
PY  - 1983///
CY  - Rome
PB  - F.A.O.
KW  - Nitrogen Fixation
KW  - Legume/Rhizobium
ER  -