TY  - GEN
AU  - Newton, W E
AU  - Veeger, C
TI  - Advances in Nitrogen fixation research proceedings of the 5th international symposium on Nitrogen fixation
SN  - 9022008460
U1  - 631.847072 VEE 
CY  - The Hauge, Martinus NIjhoft /Dr.W.junk puiblishers
KW  - Nitrogen fixation
ER  -