TY  - BOOK
AU  - Stewart, William Duncan Patterson
TI  - Nitrogen fixation by free-living micro-organisms
T2  - International Biological Programme
SN  - 0521207088
AV  - QR89.7 S84
PY  - 1975///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Nitrobacterias
KW  - Congresos
KW  - Nitrógeno
KW  - Fijación
ER  -