PRESENCE OF AZOTOBACTER SPECIES IN POLAR REGIONS.

@article{Boyd1962PRESENCEOA,
  title={PRESENCE OF AZOTOBACTER SPECIES IN POLAR REGIONS.},
  author={Willard L. Boyd and John William Boyd},
  journal={Journal of bacteriology},
  year={1962},
  volume={83 2},
  pages={
          429-30
        }
}