@article{abbott_meek_2007, 
  title={Digital Emulation of Pulse Frequency Modulation for Neuroprosthetic Sensory Feedback}, 
  volume={15}, 
  DOI={10.1109/tnsre.2007.891380}, 
  publisher={Institute of Electrical and Electronics Engineers (IEEE)}, 
  author={Abbott and Meek}, 
  year={2007}
  }