@misc{indiciae48a3ce764f85,
  title = {Hexagonal photonic-band-gap structures.},
  author = {D Cassagne and C Jouanin and D Bertho},
  year = {1996},
  doi = {10.1103/physrevb.53.7134},
  url = {https://pubmed.ncbi.nlm.nih.gov/9982159/},
  note = {Source identifier: 9982159}
}