000 | 00494nam a22001337a 4500 | ||
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999 |
_c3312 _d3312 |
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003 | OSt | ||
005 | 20200221152855.0 | ||
008 | 200221b ||||| |||| 00| 0 eng d | ||
040 | _cnational Acoustics Laboratories | ||
110 | _aInternational Telecommunication Union | ||
245 | _aITU-T. p. 65 (03.93). Telephone transmission quality objective electro-acoustical measurements. Objective instrumentation for the determination of loudness ratings | ||
260 |
_aGeneva _bITU _c1993 |
||
942 |
_2udc _cBOOK |