TY  - BOOK
AU  - Lloyd, Lyle L.
AU  - Lloyd,Lyle L.
AU  - Fuller,Donald R.
AU  - Arvidson,Helen H.
TI  - Augmentative and alternative communication
SN  - 0205198848
U1  - 616.85503 
PY  - 1997///
CY  - Boston
PB  - Allyn and Bacon
ER  -