000 00304nam a2200121Ia 4500
008 200701s1997 xx 000 0 eng d
100 _aEXP. TEACHER
245 0 _aELECTRONICS & COMMUNICATION ENGINEERING DEVICES AND CIRCUITS
250 _a1st
260 _bS CHAND
_c1997
300 _a333
942 _2ddc
_cGE
999 _c511
_d511