000 00279nam a2200121Ia 4500
008 220821s2009 xx 000 0 eng d
100 _aGUPTA, B. R.
245 0 _aELECTRONOCS & INSTRUMENTATION
250 _a3RD
260 _bS. CHAND
_c2009
300 _a530
942 _2ddc
_cBTECH
999 _c1180
_d1180