@misc{indiciae81392e0a665b,
  title = {Correlation between superconductivity and optical excitations.},
  author = {J Orenstein and GA Thomas and DH Rapkine and CG Bethea and BF Levine and B Batlogg and RJ Cava and DW Johnson and EA Rietman},
  year = {1987},
  doi = {10.1103/physrevb.36.8892},
  url = {https://pubmed.ncbi.nlm.nih.gov/9942739/},
  note = {Source identifier: 9942739}
}