TY  - BOOK
AU  - Postgate,J.R.
TI  - Biological nitrogen fixation
SN  - 0900541644
U1  - 546.711 22
PY  - 1972///
CY  - Watford
PB  - Merrow Publishing Co. Ltd
KW  - Nitrogen
KW  - Fixation
KW  - Nitrogen-fixing microorganisms
N1  - Includes bibliographical references
ER  -