@misc{indiciae65f4dbacde48,
  title = {Comparisons between geometrical optics and Lorenz-Mie theory},
  author = {Ungut, A. and Grehan, G. and Gouesbet, G.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810063274},
  note = {Source identifier: 19810063274}
}