A study of the width of the nasal aperture of the skull in representative types of modern man. Craniometric studies. No. 26v. 14No. 2Wiley-Blackwell284–292
Cameron, John. 1930. "A study of the width of the nasal aperture of the skull in representative types of modern man. Craniometric studies. No. 26." American Journal of Physical Anthropology, 14, (2) 284–292.