TY  - BOOK
AU  - Postgate,John, x
AU  - x
TI  - Nitrogen fixation: x
SN  - 0713129468
U1  - 581.133/P857n 
PY  - 1987///
CY  - London ; Melbourns
PB  - Adward Arnold
KW  - Nitrogen
N1  - Includes
ER  -