@misc{indiciae74735bf2363c,
  title = {Optical waveguide modes in a bisected dielectric slab.},
  author = {Schineller, E. R. and Wilmot, D. W.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660054712},
  note = {Source identifier: 19660054712}
}