Gutiérrez R., Javier, Carlos Aparicio N., and Rosa María Larios. “Establíshmerzt of Barpressing Itt Rats Using Electric Sho Ch: Evaluation of Dzfferertt Temporal Relationships”. Mexican Journal of Behavior Analysis 1, no. 2 (August 26, 2011): 107–119. Accessed May 9, 2024. https://revistas.unam.mx/index.php/rmac/article/view/26927.