1. Cognitive Therapy of Depression;Beck,1979
2. Reinforcement, expectancy and learning;Bolles;Psychol. Rev.,1972
3. Part II: the evaluative CR, cognitions and the role of awareness;Borkovec;Adv. Behav. Res. Ther.,1983
4. Affect and cognition;Bower,1983
5. There is no convincing evidence for operant or classical conditioning in adult humans;Brewer,1974