@article{8111,
  author = {John Cooper and Peter Zoller},
  title = {Radiative transfer equations in broad-band, time-varying fields},
  year = {1984},
  journal = {The Astrophysical Journal},
  volume = {277},
  pages = {813},
  month = {Jan-02-1984},
  issn = {0004-637X},
  url = {http://adsabs.harvard.edu/full/1984ApJ...277..813C},
  doi = {10.1086/161751},
}