@misc{indiciaef2e0572dfcfa,
  title = {Finite difference time domain electromagnetic scattering from frequency-dependent lossy materials},
  author = {Luebbers, Raymond J. and Beggs, John H.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19920010494},
  note = {Source identifier: 19920010494}
}