[On the postnatal growth of the bulla ethmoidalis in bears].

@article{Firbas1968OnTP,
  title={[On the postnatal growth of the bulla ethmoidalis in bears].},
  author={Wilhelm Firbas and Walter Wicke},
  journal={Anatomischer Anzeiger},
  year={1968},
  volume={122 2},
  pages={120-8}
}