000 00307nam a2200121Ia 4500
008 191201s2019 xx 000 0 und d
100 _aGRAHAM, John
245 0 _aDictionary of Telecommunications
260 _aN.Delhi
_bJaico Publication House
300 _a180
650 _aGeneral Books
942 _2ddc
_cBK
999 _c1286
_d1286