@misc{indiciaeac463b161fbd,
  title = {A 250-Mbit/s ring local computer network using 1.3-microns single-mode optical fibers},
  author = {Eng, S. T. and Tell, R. and Andersson, T. and Eng, B.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19860049637},
  note = {Source identifier: 19860049637}
}