Christiansen, M., and G. Velázquez-Delgado. “The "eternal Return" of Psychological Essentialism: ‘Clues’ to Character”. Revista Austral De Ciencias Sociales, no. 29, Dec. 2017, pp. 49-69, doi:10.4206/rev.austral.cienc.soc.2015.n29-03.