Malinowski, Andrzej, and Barbara Losiak. “Asymmetry of Face in Light of Measured Curvatures Tragion-Nasion Tragion-Subnasale and Tragion-Gnathion”. Anthropological Review, vol. 40, no. 1, June 1974, pp. 127-32, doi:10.18778/1898-6773.40.1.17.