TY  - BOOK
AU  - Beukelman,David R.
AU  - Mirenda,Pat
TI  - Augmentative and alternative communication: management of severe communication disorders in children and adults 
SN  - 1557660948
U1  - 616.85503 
PY  - 1992///
CY  - Baltimore
PB  - P.H. Brookes Pub. Co
KW  - Communication devices for people with disabilities
KW  - People with disabilities
ER  -