TY - GEN AU - DeRuyter,Frank AU - Beukelman,David TI - Introduction to the special issue on augmentative and alternative communication SN - 1040-0435 PY - 2012///0814 KW - Communication Devices for People with Disabilities KW - Humans N1 - Publication Type: Introductory Journal Article UR - https://doi.org/10.1080/10400435.2012.648856 ER -