@misc{indiciaec0be1797f8f6,
  title = {Ambiguity resolution in systems using Omega for position location},
  author = {Frenkel, G. and Gan, D. G.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19740043264},
  note = {Source identifier: 19740043264}
}