@misc{indiciae1eb724c2c961,
  title = {Quantum size effect on optical absorption in a small spherical shell.},
  author = {M Eto and K Kawamura},
  year = {1995},
  doi = {10.1103/physrevb.51.10119},
  url = {https://pubmed.ncbi.nlm.nih.gov/9977686/},
  note = {Source identifier: 9977686}
}