TY  - BOOK
AU  - Graham, P. H.
AU  - Sadowsky, M. J.
AU  - Vance, Carroll P.
ED  - North American Conference on Symbiotic Nitrogen Fixation (
TI  - Symbiotic nitrogen fixation: : proceedings
T2  - Developments in plant and soil sciences
U1  - 631.46 
PY  - 1994///
CY  - Dordrecht
PB  - Kluwer
KW  - Nitrógeno
KW  - Fijación
KW  - Rhizobium
KW  - Simbiosis
N1  - Artículos aparecidos en : Plant and Soil vol. 161 (1) 1994
ER  -