TY  - BOOK
AU  - Burns, Richard C
AU  - 
TI  - Nitrogen fixation in bacteria and higher plants
U1  - 581.13.11 
PY  - 1975///
CY  - Berlin
PB  - Springer-Verlag
KW  - Nitrogenn fixation
KW  - nitrogen fixation
KW  - Bacteria
KW  - Plants
KW  - higher plants
ER  -