000 00259nam a2200109Ia 4500
008 230222s9999 xx 000 0 und d
100 _aMadhava Rao T S
245 0 _aDigital / Numerical Relays
250 _a1
260 _bTata Mcgraw Hill
_c2008
942 _cBK
999 _c15211
_d15211