Sundel, Martin Behavior modification in the human services a systematic introduction to concepts and applications Martin Sundel, Sandra Stone Sundel. - New York Wiley [1975] - xii, 283 p. ill. 24 cm. 920331 Includes bibliographies and index. ISBN: 0471835668. 0471835676 LCCN: 74023342 //r82 Subjects--Topical Terms: Behavior modificationConcept formation.Behavior therapy LC Class. No.: BF637.B4 / S9 Dewey Class. No.: 158/.3 National Library of Medicine Call No.: WM420 S957b