Hearing aids -- Australia -- Congresses. : Rehabilitation engineering in Australia : report of the first national seminar, Sydney, 29 Aug - 1 Sept, 1977 / [organised by National Advisory Council for the Handicapped]
Hearing aids -- Handbooks, manuals, etc : Sandlin's textbook of hearing aid amplification : technical and clinical considerations / [edited by] Michael J. Metz
Here are entered works on devices to improve hearing ability. Works on synthetic replicas of the ear used to restore cosmetic harmony to the face are entered under Ear prostheses
