TY  - BOOK
AU  - Broughton, W. J.,
TI  - Nitrogen Fixation Vol. 1 : Ecology
SN  - 0198545401
U1  - 581 
PY  - 1981///
CY  - Oxford
PB  - Clarendon Press
KW  - Nitrogen Fixation
KW  - Specific topics in natural history
ER  -