TY  - RPRT
TI  - Augmentative and alternative communication: past, present and future.
AU  - N Alm
AU  - P Parnes
PY  - 1995
DO  - 10.1159/000266349
UR  - https://pubmed.ncbi.nlm.nih.gov/7640721/
ID  - 7640721
ER  -