TY  - BOOK
AU  - Postgate, J. R
TI  - Nitrogen fixation
SN  - 9780521648530
SN  - 98015362
U1  - 572.545 POS 
PY  - 1998///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Nitrogen - Fixation
KW  - Nitrogen-fixing microorganisms
KW  - Root-tubercles
N1  - Includes bibliographical references (p. 107-108) and index
ER  -