Gibelli, D., D. De Angelis, P. Poppa, A. Cappella, and C. Cattaneo. “A Novel Method of Morphological and Metrical Assessment by 3D-3D Superimposition for the Assessment of Facial Mimicry: A Pilot Study”. Italian Journal of Anatomy and Embryology, vol. 119, no. 1, Mar. 2015, p. 97, https://oajournals.fupress.net/index.php/ijae/article/view/2450.