@article{10530,
  author = {J. Eberly and K. Wódkiewicz},
  title = {The time-dependent physical spectrum of light},
  year = {1977},
  journal = {Journal of the Optical Society of America},
  volume = {67},
  pages = {1252},
  month = {Jan-01-1977},
  issn = {0030-3941},
  url = {http://www.opticsinfobase.org/abstract.cfm?URI=josa-67-9-1252},
  doi = {10.1364/JOSA.67.001252},
}