@misc{W2033948497,
  author = {H. J. Kimble and M. Dagenais and L. Mandeļ},
  title = {Photon Antibunching in Resonance Fluorescence},
  year = {1977},
  howpublished = {Physical Review Letters},
  doi = {https://doi.org/10.1103/physrevlett.39.691}
}