@conference{UBHD-67890683,
  author={Mandel, Holger and Appenzeller, Immo and Seifert, Walter and Sch{\"u}tze, Andreas and Seltmann, Andreas and Xu, Wenli},
  title={LUCIFER status report},
  subtitle={summer 2004},
  year={2004},
  pages={1208-1218},
  language={eng},
}
@conference{UBHD-67910998,
  author={Seifert, Walter and Appenzeller, Immo and Stahl, Otmar and Xu, Wenli and Szeifert, Thomas},
  title={Commissioning of the FORS instruments at the ESO VLT},
  year={2000},
  pages={96-103},
  language={eng},
}
@conference{UBHD-68065254,
  author={Xu, Wenli and Seifert, Walter},
  title={Optical glasses with high NIR transmission},
  year={2003},
  pages={402-408},
  language={eng},
  note={Gesehen am 16.12.2016},
  doi={10.1117/12.464255},
}