de la Rosa, Javier, and Juan-Luis Suárez. “A Quantitative Approach to Beauty. Perceived Attractiveness of Human Faces in World Painting”. International Journal for Digital Art History, no. 1 (June 26, 2015). Accessed December 11, 2024. https://journals.ub.uni-heidelberg.de/index.php/dah/article/view/21640.