000 00421nam a2200169Ia 4500
008 200428s9999||||xx |||||||||||||| ||und||
020 _a9-78938E-12
_c175
040 _aMAIN
041 _aEnglish
082 _a621.382
_bNAI
100 _aNair, B.Somanathan
245 _aBasic communication and information engineering
260 _bI.K.International
_c2009
300 _axxii,
650 _aELECTRONICS
942 _cGB
999 _c6314
_d6314