Karrer, Rathe. Developmental psychophysiology of mental retardation concepts and studies edited by Rathe Karrer ; foreword by John I. Lacey ; introd. by Donald B. Lindsley. - Springfield, Ill. Thomas c1976. - xvi, 506 p. ill. Includes bibliographies and indexes. ISBN: 0398034141 LCCN: 75002061 //r84 Subjects--Topical Terms: Mental RetardationMental Retardation--Physiopathology.Developmental psychobiologyPsychology, Physiological LC Class. No.: RC570 / .K35 Dewey Class. No.: 616.8/588/07 National Library of Medicine Call No.: WM300 K18s