TY  - BOOK
AU  - Bergersen,F.J.
TI  - Root nodules of legumes: structure and functions
U1  - 583 
PY  - 1982///
CY  - Chichester, New York
PB  - Research Studies Press
KW  - Root-tubercles
KW  - Legumes
KW  - Nitrogen
KW  - Fixation
ER  -