000 00494nam a22001337a 4500
999 _c3312
_d3312
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