@misc{indiciaeb20caefe8a19,
  title = {Capacity of Pulse-Position Modulation (PPM) on Gaussian and Webb Channels},
  author = {Dolinar, S. and Divsalar, D. and Hamkins, J. and Pollara, F.},
  year = {2000},
  url = {https://ntrs.nasa.gov/citations/20040191397},
  note = {Source identifier: 20040191397}
}