Centenary of British audiometry. Proceedings of a Symposium held to mark the centenary of Hughes' audiometer.
Inhalt Karte:604,160 CENTENARY Centenary of British audiometry. Proceedings of a Symposium held to mark the centenary of Hughes' audiometer. Ed. by S. D. G. Stephens. London 1979 8° s. nlb. 6, 40, tabl. 1, il. British Journal of Audiology, suppl. 2