000 00442nam a2200181Ia 4500
005 20250220125423.0
008 250220s9999||||xx |||||||||||||| ||und||
020 _c170
040 _aMAIN
041 _aEnglish
082 _a621.382
_bHAN
245 _aHandbook of data communications
260 _aNew Delhi
_bBookmen Associates
_c1984
300 _a497p.
650 _aCommunication engineering
650 _aEngineering
942 _cBK
999 _c30381
_d30381