00858nam a2200205Ia 4500001000700000003000500007005001700012008004100029035002000070050002100090060004400111110011900155245014600274260007300420300002100493490003000514650002500544700002800569710005500597186251BIBL20160527190917.0801126s19791980mdua          00010 eng d  a(OCoLC)0769328000aRF300b.M35 1980  aW1 A152B no.19 1979a[WV 274 H434 1979]2 aMassachusetts Institute of Technology. Research Laboratory of Electronics. Communications Biophysics Group.2Local10aHearing aidsba review of past research on linear amplification, amplitude compression, and frequency loweringcLouis D. Braida ... [et al.].  aRockville, Md.bAmerican Speech-Language-Hearing Assn.c1979-[c1980]  aix, 115 p.bill. 0aASHA monographs ; no.v19 2aHearing aids.2Local10aBraida, Louis D.2Local20aAmerican Speech-Language-Hearing Association2LEMB