TY - BOOK AU - Ullmann,Leonard P. TI - Case Studies in behavior modification AV - RC489.B4 U45 1965 PY - 1965/// CY - NewYork PB - Holt, Rinehart and Wintston KW - Behavior modification KW - Behaviour therapy KW - Children with mental disabilities KW - Habit breaking KW - Neurotic behaviors N1 - Includes bibliographical reference and index ER -