1. Anxiety and its disorders;Barlow,1988
2. Heart rate process during systematic desensitization and implosive therapy for analogue anxiety;Borkovec;Behavior Therapy,1974
3. Worry: A potentially valuable concept;Borkovec;Behaviour Research and Therapy,1985
4. The treatment of anxiety disorders. Invited address;Borkovec;World Congress of Behaviour Therapy, Edinburgh, Scotland,1988
5. The contribution of relaxation and expectancy to fear reduction via graded, imaginal exposure to feared stimuli;Borkovec;Behaviour Research and Therapy,1979