@incollection{UBHD-68222329,
  author={Jungmann, Klaus and Grossmann, Alex and Merkel, Jesko Friedrich and Putlitz, Gisbert zu and Reinhard, Irene and Tr{\"a}ger, Konrad and Willmann, Lorenz},
  title={Results from searching for Muonium to antimuonium conversion},
  year={1998},
  pages={3 S.},
  language={eng},
  note={Gesehen am 20.02.2018},
  booktitle={Arxiv},
}
@incollection{UBHD-68222744,
  author={Willmann, Lorenz and Schmidt, Peter Vaughan and Grossmann, Alex and Jungmann, Klaus and Meyer, Volker and Merkel, Jesko Friedrich and Putlitz, Gisbert zu and Reinhard, Irene and Tr{\"a}ger, Konrad},
  title={New bounds from searching for muonium to antimuonium conversion},
  year={1998},
  pages={17 S.},
  language={eng},
  note={Gesehen am 21.02.2018},
  booktitle={Arxiv},
}
@article{UBHD-68222742,
  author={Willmann, Lorenz and Schmidt, Peter Vaughan and Grossmann, Alex and Jungmann, Klaus and Meyer, Volker and Merkel, Jesko Friedrich and Putlitz, Gisbert zu and Reinhard, Irene and Tr{\"a}ger, Konrad},
  title={New vounds from a search for muonium to antimuonium conversion},
  year={1999},
  pages={49-52},
  language={eng},
  issn={1079-7114},
  volume={82},
  number={1},
  note={Gesehen am 21.02.2018},
  journal={Physical review letters},
  doi={10.1103/PhysRevLett.82.49},
}