Lieberman, Morton A., 1931- Encounter groups first facts / by Morton A. Lieberman, Irvin D. Yalom and Matthew B. Miles - New York Basic Books 1973 - x, 495 p. 25 cm. Bibliography: p. 481-486. ISBN: 0465019684 LCCN: 72-089174 Subjects--Topical Terms: Group relations training