Clinical biofeedback : a procedural manual / Kenneth R. Gaarder and Penelope S. Montgomery, with four contributors. Gaarder, Kenneth R. Montgomery, Penelope S., joint author. Biofeedback training. Psychotherapy. RC489.B53 G3 616.8914 GAC Includes index. Bibliography: p. 205-209. Baltimore : Williams & Wilkins, c1977. c1977. 1977 Text xviii, 228 p. : eng