TY  - BOOK
ED  - International Symposium on Nitrogen Fixation with Non-legumes (5th : 1990 : Florence, Italy).
ED  - Polsinelli, M.
ED  - Materassi, R.
ED  - Vincenzini, M.
TI  - Nitrogen fixation: proceedings of the fifth International Symposium on Nitrogen Fixation with Non-legumes, Florence, Italy, 10-14 September 1990 
SN  - 0792314107
PY  - 1991///
CY  - Dordrecht
PB  - Kluwer Academic Publishers
KW  -  Nitrogen
KW  - Fixation
KW  - Congresses
KW  - fixing microogranisms
ER  -