@inbook{7533,
  author = {Keith Burnett},
  title = {Collisional Redistribution of Weak Radiation and the Factorization Approximation},
  year = {1983},
  volume = {13},
  number = {Comments on modern physics, part 4},
  pages = {204},
  publisher = {Gordon and Breach, Science Publishers},
  note = {JILA Pub. 2622},
}