TY  - BOOK
AU  - Beukelman, David R.
TI  - Augmentative & alternative communication: Supporting children & adults with complex communication needs 
SN  - 9781598571967
AV  - RC 429 .B48 2013 
PY  - 2013///
CY  - [Place of publication not identifed]
PB  - [publisher not identified]
N1  - Supporting children & adults with complex communication needs, Augmentative
ER  -