TY  - BOOK
AU  - Perkins,William H.
TI  - Human perpsectives in speech and language disorders
SN  - 0801637864
U1  - 616.855 
PY  - 1978///
CY  - 
PB  - The C. V. Mosby.
KW  - TRASTORNOS DEL HABLA
N1  - Indice
ER  -