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Improved procedure for determining percentage loss of hearing / John Macrae

by Macrae, John | National Acoustic Laboratories (Australia).

Publication details: Canberra : AGPS, 1988Availability: Items available for loan: 1 Call number: 617.8/IMP NAL Report Series.

A procedure for determining percentage loss of hearing of clients with abnormally poor speech discrimination / J.H. Macrae

by Macrae, John Hector.

Publication details: Sydney : National Acoustic Laboratories, 1991Availability: Items available for loan: 1 Call number: 617.8PRO.