1. Instrumental responding following reinforcer devaluation;Adams;Quarterly Journal of Experimental Psychology,1981
2. The role of frustrative nonreward in noncontinuous reward situations;Amsel;Psychological Bulletin,1958
3. The conditioned emotional response as a function of intensity of the US;Annau;Journal of Comparative and Physiological Psychology,1961
4. Conditional reflex theory and motivational behavior;Asratyan;Acta Neurobiologica Experimentalis,1974
5. Contextual conditioning and reinstatement of extinguished instrumental responding;Baker;Quarterly Journal of Experimental Psychology,1991