@article{Kraatz2007,
  author    = {Gustav Kraatz},
  title     = {Einige neue ostafricanische Popillia-Arten},
  journal   = {Deutsche entomologische Zeitschrift},
  volume    = {1899},
  number    = {1},
  pages     = {211 -- 216},
  year      = {2007},
}