@article{Hennig1948-zo,
  author = "E. Hennig",
  title = "Quatarfaunen und Urgeschichte Ostafricas",
  year = 1948,
  journal = "Naturwissenschaftliche Rundschau",
  volume = 12,
  number = 5,
  pages = "212-217"
}


@article{Hennig1932a,
  author = "E. Hennig",
  title = "Fortschritte der Altsteinzeit-Forchung in der Alten Welt",
  year = 1932,
  journal = "Petermanns Geographische Mitteilungen",
  volume = 78,
  pages = "134-137"
}