TY  - BOOK
AU  - IBP Synthesis Meeting on Nitrogen Fixation (1973: Edinburgh)  
AU  - Stewart, W.D.P.
TI  - Nitrogen fixation by free-living micro-organisms
SN  - 0521207088
PY  - 1975///
CY  - New York
PB  - Cambridge University Press
KW  - Nitrogen--Fixation--Congresses Nitrogen-fixing microorganisms--Congresses
ER  -