000 00309nam a2200121Ia 4500
008 221221s9999 xx 000 0 und d
020 _a9789332501973
082 _a623.043
_bDOD/E
100 _aDodd, Annabel Z
245 0 _aEssential Guide To Telecommunications
260 _aNew Delhi
_bPearson
942 _cBK
999 _c12174
_d12174