@misc{indiciaef5b9c15b7313,
  title = {Photon band structures: The plane-wave method.},
  author = {KM Leung and YF Liu},
  year = {1990},
  doi = {10.1103/physrevb.41.10188},
  url = {https://pubmed.ncbi.nlm.nih.gov/9993408/},
  note = {Source identifier: 9993408}
}