TY  - BOOK
AU  -  Alexander, Martin, 
TI  -  Biological nitrogen fixation : : ecology, technology, and physiology / 
U1  - 589.95 
PY  - 1984///
CY  - New York : 
PB  - Plenum Press
KW  - Nitrogen
KW  - Fixation
KW  - Congresses
KW  - Rhizobium
KW  - Nitrogen-fixing plants
N1  - "Proceedings of a training course ... held January 18-29, 1982, in Caracas, Venezuela"--T.p. verso; Includes bibliographies and index
ER  -