TY - BOOK AU - Knopf, Irwin J. TI - Childhood Psychopathology: a developmental approach SN - 0131303368 U1 - 618.9207 PY - 1979/// CY - London PB - Prentice-Hall KW - Mental Disorders KW - Psychopathology - Infancy and Childhood N1 - Includes bibliographical references and index ER -