Maure-Rubio, M. Ángel. “The first steps in the foreshortening of human figure. ‘A geometrical analysis’”. Arte, Individuo y Sociedad, vol. 28, vol. 28, no. 2, 2016, pp. 277-96, doi: https://doi.org/10.5209/rev_ARIS.2016.v28.n2.48412.