000 00309nam a2200121Ia 4500
008 210219s9999||||xx |||||||||||||| ||und||
082 _a621.380413
_bG976E
100 _aGupta, Sanjeev
245 0 _aElectronics communications
_c SanjeevGupta
260 _aDelhi
_bKhanna
_c1995
300 _axii; 792
999 _c3339
_d3339