TY - BOOK AU - Van Riper, Charles, TI - Speech correction: principles and methods SN - 0138295239 : U1 - 616.8/554 PY - 1978/// CY - Englewood Cliffs, N.J. PB - Prentice-Hall KW - Speech disorders KW - Speech therapy KW - Audiology N1 - Includes bibliographies and index ER -