@misc{indiciaeac7f2f68395c,
  title = {Two-photon spectroscopy in KCl using synchrotron radiation.},
  author = {M Casalboni and C Cianci and R Francini and UM Grassano and M Piacentini and N Zema},
  year = {1991},
  doi = {10.1103/physrevb.44.6504},
  url = {https://pubmed.ncbi.nlm.nih.gov/9998515/},
  note = {Source identifier: 9998515}
}