TY  - BOOK
AU  - Nutman, P. S.,
TI  - Symbiotic Nitrogen Fixation in Plants
SN  - 0521206456
U1  - 581 
PY  - 1976///
CY  - London
PB  - Cambridge University Press
KW  - Specific topics in natural history
KW  - Symbiotic Nitrogen
ER  -