000 00362nam a22001457a 4500
005 20240917101833.0
008 240917b |||||||| |||| 00| 0 eng d
041 _aeng
082 _a621.385
_bATK/T
100 _aAtkinson J
245 _aTelephony
_c/ by J.Atkinson F.I.E.E
260 _aLondon
_bSir Isaac Pitman & Sons
_c1968
300 _a514p.
942 _cBK
999 _c30258
_d30258