References
- de Beer , G. R. 1937 . The development of the vertebrate skull , Oxford : Clarendon Press .
- Parsons , F. G. 1904 . Observations on traction epiphyses . J. Anat. Lond. , 38 : 248 – 258 .
- Parsons , F. G. 1908 . Further remarks on traction epiphyses . J. Anat. Lond. , 42 : 388 – 396 .