@misc{indiciaeef805484f7da,
  title = {Power Loss For Multimode Waveguides and its Application to Beam-Waveguide Systems},
  author = {Yeh, C. and Otoshi, T. Y. and Imbriale, W. A.},
  year = {1997},
  url = {https://ntrs.nasa.gov/citations/20210005198},
  note = {Source identifier: 20210005198}
}