TY - BOOK AU - Enderby Pam TI - Assistive communication aids for the speech impaired SN - 0443035717 U1 - WM475 PY - 1987/// CY - Edingburgh PB - Chruchill Livingstone KW - Self - Help Devices KW - Communication Aids for Disabled KW - Speech Disorders N2 - Speech Disorders, Communication Aids for Disabled, Self - Help Devices ER -