TY  - BOOK
AU  - Nutman, P. S.
AU  - Nutman,P.S.
TI  - Symbiotic nitrogen fixation in plants
SN  - 0521206456 :
U1  - 581.133 
PY  - 1976///
CY  - Cambridge [Eng.], New York
PB  - Cambridge University Press
KW  - Nitrogen
KW  - Legumes
KW  - Nitrogen-fixing plants
KW  - Nitrogen-fixing microorganisms
KW  - Symbiosis
UR  - http://www.loc.gov/catdir/description/cam022/75002732.html
UR  - http://www.loc.gov/catdir/toc/cam029/75002732.html
ER  -