000 00283nam a22001217a 4500
020 _a9789350144374
082 _a621.3 GUP
100 _aJ. B. Gupta
245 _aA textbook of electronics engineerig
260 _aNew Delhi
_bKataria & Sons
_c2014
300 _a463p.
942 _cBK
999 _c490598
_d490598