National Acoustic Laboratories Library

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1.
Improved procedure for determining percentage loss of hearing / John Macrae by Series: N.A.L. report ; no. 118
Publication details: Canberra : AGPS, 1988
Availability: Items available for loan: (1)Call number: 617.8/IMP NAL Report Series.
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A procedure for determining percentage loss of hearing of clients with abnormally poor speech discrimination / J.H. Macrae by Series: N.A.L. report ; No. 124
Publication details: Sydney : National Acoustic Laboratories, 1991
Availability: Items available for loan: (1)Call number: 617.8PRO.
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