TY  - BOOK
AU  - Broughton, W. J.,
TI  - Nitrogen Fixation Vol. 2 : Rhizobium
SN  - 0198545525
U1  - 581 
PY  - 1982///
CY  - Oxford
PB  - Clarendon Press
KW  - Nitrogen Fixation
KW  - Specific topics in natural history
ER  -