@misc{indiciae177b2d2bcbab,
  title = {Scattering by spheres with nonisotropic refractive indices},
  author = {Wang, R. T. and Greenberg, J. M.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19760047324},
  note = {Source identifier: 19760047324}
}