TY - BOOK AU - Davidson, Robert S. TI - Modification of pathological behavior: experimental analyses of etiology and behavior therapy SN - 0470993863 AV - RC489.B4 M63 U1 - 616.89142 22 PY - 1979/// CY - New York PB - Gardner Press : distributed by Halsted Press, KW - Behavior therapy N1 - Includes bibliographical references and indexes ER -