000 00490nam a22001337a 4500
999 _c3295
_d3295
003 OSt
005 20200207151707.0
008 200207b ||||| |||| 00| 0 eng d
040 _cNational Acoustics Laboratories
110 _aInternational Telecommunication Union
245 _aP. 82. ITU-T. Telephone transmission quality subjective opinion tests. Method for evaluation of service from the standpoint of speech transmission quality.
260 _aGeneva
_bITU
_c1993
942 _2udc
_cJOURNALS