1.
RIBES E, TORRES C, MAYORAL A. Effects of the presence and absence of stimuli correlated with different probabilities of reinforcement and with extinction in temporarily-defined schedules. MJBA [Internet]. 2011 Jan. 26 [cited 2024 Apr. 27];26(3):327-54. Available from: https://revistas.unam.mx/index.php/rmac/article/view/23500