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040			_aCentral Library-NITS
041			_aEnglish
082			_a621.317
100			_aRao, Sunil S.
245			_aSwitching and protection _cby Sunil S. Rao
260			_aDelhi _bKhanna _c1978
300			_axxxi, 911p. :ill.
500			_aIncludes bibliographical references and index.
650			_aElectric switched
650			_aFilters
650			_aSwitching-Current circuits
942			_cBK
999			_c1895 _d1895