00918nam a2200217Ia 4500 186251 BIBL 20160527190917.0 801126s19791980mdua 00010 eng d (OCoLC)07693280 RF300 .M35 1980 W1 A152B no.19 1979 [WV 274 H434 1979] Massachusetts Institute of Technology. Research Laboratory of Electronics. Communications Biophysics Group. Local 132519 Hearing aids a review of past research on linear amplification, amplitude compression, and frequency lowering Louis D. Braida ... [et al.]. Rockville, Md. American Speech-Language-Hearing Assn. 1979-[c1980] ix, 115 p. ill. ASHA monographs ; no. 19 Hearing aids. Local 109278 Braida, Louis D. Local 64841 American Speech-Language-Hearing Association LEMB 8201 142022 142022 0 0 lc 0 RF_300_000000000000000__M35_1980 0 mbl 129761 12 12 20 2016-05-27 American Speech 16.00 274496 0 RF300 .M35 1980 50000001915650 2016-05-27 00:00:00 r:186251 z:NCC:D 6