000 00270nam a2200121Ia 4500
020 _a8175441801
100 _aGupta B R
245 _aElectronics and instrumentation
250 _a2
260 _c1999
_bWHEELER PUBLISHER
_aNew Delhi
300 _axvii+521
942 _cBK
999 _c27281
_d27281