@article{Zenker2008,
  author    = {Georg August Zenker},
  title     = {Ya{\´u}nde},
  journal   = {Mittheilungen von Forschungsreisenden und Gelehrten aus den deutschen Schutzgebieten},
  volume    = {8},
  number    = {1},
  pages     = {36 -- 70},
  year      = {2008},
}