1. Diagnostic and statistical manual of mental disorders—revised;American Psychiatric Association,1987
2. Electrode placement in EMG biofeedback;Basmajian,1980
3. Cognitive approaches to panic disorder;Beck,1988
4. Anxiety disorders and phobias: A cognitive perspective;Beck,1985
5. Physiological and symptom responses to hyperventilation: A comparison of frequent and infrequent panickers;Beck;Journal of Psychopathology and Behavioral Assessment,1988