TY  - JOUR 
T1  - Partial characterization of nif genes from the bacterium Azospirillum amazonense
JO  - Brazilian Journal of Medical and Biological Research
A1  - Potrich, D.P.
A1  - Passaglia, L.M.P.
A1  - Schrank, I.S.
SN  - 0100-879X
UL  - 10.1590/S0100-879X2001000900002
VL  - 34 
Y1  - 2001
PB  - Brasil 
ER  -