VARELA, JULIO, MARIA A. PADILLA, FELIPE CABRERA, ALFREDO MAYORAL, TERESA FUENTES, and GUILLERMINA LINARES. 2011. “Five Types of Transfer: From the Linguistic Dimension to the One Based on Morphological and Geometric Properties of Stimuli”. Mexican Journal of Behavior Analysis 27 (3):363-83. https://doi.org/10.5514/rmac.v27.i3.23582.