@book{UBHD-9823465,
  author={Petr, Monika G.},
  title={Binary stars in the Orion Trapezium Cluster},
  subtitle={a high angular resolution near-infrared imaging study},
  year={1998},
  pages={X, 129 S.},
  language={eng},
  note={Zsfassung in dt. Sprache},
  school={Heidelberg, Univ., Diss., 1998},
  library={UB [Signatur: 98 U 665]},
}