000 00258nam a2200121Ia 4500
100 _aNagappan K
245 _aElectrical circuits
250 _a1
260 _c1980
_bPUBLISHED BY AUTHORS
_aMadurai
300 _axiv+464
700 _aMohanram K R
942 _cBK
999 _c9658
_d9658