TY  - BOOK
AU  - Somasegaran, P
TI  - Handbook for Rhizobia: methods in Legume-Rhizobium technology 
SN  - 387941347
U1  - 579.334 
PY  - 1994///
CY  - New York
PB  - Springer-Verlag
KW  - Nitrogen-fixing microorganisms
ER  -