@article{Osterhammel2006,
  author    = {J{\"u}rgen Osterhammel},
  title     = {Imperien im 20. Jahrhundert. Eine Einf{\"u}hrung},
  journal   = {Zeithistorische Forschungen - Studies in Contemporary History},
  volume    = {3},
  number    = {1},
  pages     = {4 -- 13},
  doi       = {10.14765/zzf.dok-1981},
  url       = {https://www.zeithistorische-forschungen.de/1-2006/4627},
  year      = {2006},
}