000 00442nam a2200193Ia 4500
008 240220s9999 xx 000 0 und d
020 _a9788131503072
041 _aENG
082 _a621.381
100 _aBlake R. R.
245 0 _aElectronics communication systems
260 _aNew Delhi
260 _bCengage Learning India Pvt. Ltd.
260 _c2011
300 _a1 TO 985p.
365 _b0
650 _aETC
942 _cGRATIS
999 _c9349
_d9349