@inproceedings{FeldmannJuestelRondaetal.2000,
  author    = {C. Feldmann and T. J{\"u}stel and C.R. Ronda and D.U. Wiechert},
  title     = {Zwei-Photonen-Leuchtstoffe},
  booktitle = {XIII. Tage der seltenen Erden, Stuttgart},
  year      = {2000},
}