@article{Hartmann2006,
  author    = {Hartmann, J{\"u}rgen},
  title     = {Correct consideration of the index of refraction using blackbody radiation},
  journal   = {Optics Express},
  volume    = {14},
  number    = {18},
  institution = {Fakult{\"a}t Elektrotechnik},
  pages     = {8121 -- 8126},
  year      = {2006},
  language  = {en}
}