TY  - BOOK
AU  - Perkins,William H.
TI  - General principles of therapy
SN  - 0865770778
PY  - 1982///
CY  - New York, Stuttgart
PB  - Thieme-Stratton, G. Thieme Verlag
KW  - Language therapy
KW  - methods
KW  - Speech Therapy
N1  - Includes bibliographical references and index
ER  -