000 00395nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a621.381532
_bW721
100 _aWilliams A B
245 _aElectronic filter design handbook
260 _aNew Delhi
_bMcGraw-Hill Book
_c1981
300 _avp.
650 _aElectronic circuits
942 _cBK
999 _c1457
_d1457