000 00265nam a2200121Ia 4500
008 220201s1948 xx 000 0 eng d
082 _bATK
100 _aAtkinson, J A
245 0 _aTelephony
260 _aLondon
_bS I Pitman
_c1948
300 _a514
942 _2ddc
999 _c14771
_d14771