1. Positioning the Client With CNS Deficits: The Wheelchair and Other Adapted Equipment;Bergen,1985
2. Microcomputer-based communication augmentation systems for two non-speaking, physically handicapped persons with severe visual impairment;Beukelman;Arch Phys Med Rehabil,1984
3. Communication Augmentation: A Casebook of Clinical Management;Beukelman,1985
4. The motorized wheelchair: new freedom, new responsibility and new problems;Breed;Dev Med Child Neurol,1982
5. Adaptive systems and devices for the disabled;Britell,1988