TY  - BOOK
AU  - Stacey, G.
AU  - Burris,R.H.
AU  - Evans,H.J.
TI  - Biological nitrogen fixation
SN  - 0412024217
AV  - QR89.7.B54 1991 
U1  - 589.9/504133 
PY  - 1984///
CY  - New York
PB  - Plenum Press
KW  - Nitrogen--Fixation--Congresses
KW  - Rhizobium--Congresses
KW  - Nitrogen-fixing microorganisms
KW  - Congresses
KW  - Legumes--Congresses
KW  - Nitrogen-fixing plants--Congresses
N1  - "Proceedings of a training course ... held January 18-29, 1982, in Caracas, Venezuela"--T.p. verso
ER  -