000 00386nam a2200157Ia 4500
008 221030s9999 xx 000 0 und d
020 _a8121900530
041 _aEnglish
082 _a105.23
_bSin
100 _aA. Singh
245 0 _aPrinciples of Communication Engineering
_cby A. Singh
260 _bS. Chand & Co.
_aNew Delhi
_c1999
300 _a607
650 _aECE
942 _cBK
999 _c4770
_d4770