Horno-Chéliz, María del Carmen, and José Manuel Igoa. “Adjetivos I-Level Y S-Level. Nuevas Evidencias Experimentales”. Borealis – An International Journal of Hispanic Linguistics, vol. 6, no. 2, Dec. 2017, pp. 103-24, https://doi.org/10.7557/1.6.2.4220.