Sangeun S, Hill K. Korean word frequency and commonality study for augmentative and alternative communication. International Journal of Language and Communication Disorders . 2016;51(4):415-29. Abstract
Hill K, Kovacs T, Shin S. Critical Issues Using Brain-Computer Interfaces for Augmentative and Alternative Communication. Archives of Physical Medicine and Rehabilitation. 2015;96(3 supplement 1):S8-S15. Abstract