Sea lions' (Zalophus californianus) use of human pointing gestures as referential cues
Raphaëlle Malassis, Fabienne Delfour
págs. 101-112
Stimuli with identical contextual functions taught independently become functionally equivalent
Luis Antonio Pérez González, Elvira Díaz, Silvia Fernández García, Cristina Baizán
págs. 113-128