TY  - BOOK
AU  - Broughton, W. J.
AU  - Broughton,W.J.
TI  - Nitrogen fixation
SN  - 0198545401 (v. 1) :
U1  - 589 
PY  - 1981///-
CY  - Oxford, New York
PB  - Clarendon Press, Oxford University Press
KW  - Nitrogen
KW  - Nitrogen-fixing microorganisms
N1  - v. 1. Ecology.--v. 2. Rhizobium.--v. 3. Legumes.--v. 4. Molecular biology
ER  -