@book{UBHD-65382548,
  author={Okpara, Anna},
  title={Search for charged Higgs bosons at centre-of-mass energies of 189 - 209 GeV at LEP},
  year={2001},
  pages={II, 106 S.},
  language={eng},
  school={Heidelberg, Univ., Diss., 2001},
  library={UB [Signatur: 2002 U 61] ; PY [Signatur: <PY> PY Diss. WS01/02-23]},
}
@book{UBHD-65418150,
  author={Okpara, Anna},
  title={Search for charged Higgs bosons at centre-of-mass energies of 189 - 209 GeV at LEP},
  year={2002},
  pages={Online-Ressource},
  language={eng},
  school={Heidelberg, Univ., Diss., 2001},
  doi={10.11588/heidok.00001873},
  url={http://www.ub.uni-heidelberg.de/archiv/1873},
  library={UB},
}
@article{UBHD-68325829,
  author={Abbiendi, Giovanni and Bock, Peter and Igo-Kemenes, Peter and Krogh, J{\"u}rgen von and Okpara, Anna},
  organization={OPAL Collaboration},
  title={Search for charged Higgs bosons in e+e− collisions at √s=189-209 GeV},
  year={2012},
  pages={22 S.},
  language={eng},
  issn={1434-6052},
  volume={72},
  note={Im Titel werden die Zeichen "+" und "-" hochgestellt ; Gesehen am 08.11.2018},
  journal={The European physical journal},
  doi={10.1140/epjc/s10052-012-2076-0},
}