000 00355nam a2200145Ia 4500
008 241225s9999 xx 000 0 und d
020 _a0
082 _a621.382
_bRAO
100 _aRao, T S Madhva.
245 0 _aDigital numerical relays
260 _aNew Delhi :
_bTata Mcgraw Hill,
_c1994
300 _a227.
365 _a425
650 _aApplied physics
999 _c34734
_d34734