@article{berg1977,
  title={Physics of chemoreception},
  author={Howard C. Berg and Edward M. Purcell},
  year={1977},
  journal={Biophysical Journal},
  doi={10.1016/s0006-3495(77)85544-6},
  url={https://doi.org/10.1016/s0006-3495(77)85544-6}
}