@article{hohnel1890,
  author  = {Hohnel, L. von.},
  journal = {Petermanns Mitt., Erganzungsh.},
  key     = {Hohnel (1890)},
  number  = {xcix},
  pages   = {1-40},
  title   = {Ostaquatorial-Afrika},
  volume  = {21},
  year    = {1890}
}