[unidirectional and Pluridirectional Stratigraphy in the Radiological Study of the Structures of the Middle Ear].

@article{Perra1963unidirectionalAP,
  title={[unidirectional and Pluridirectional Stratigraphy in the Radiological Study of the Structures of the Middle Ear].},
  author={L Perra and P PUSCEDDU},
  journal={L'Oto-rino-laringologia italiana},
  year={1963},
  volume={32},
  pages={46-58}
}