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040 _aMAIN
041 _aEnglish
082 _a621.3815287
_bBER N5
100 _aBerde, M.S.
245 0 _aThyristor engineering
_cM.S.Berde
250 _a8th
260 _aNew Delhi
_bKhanna Pub.
_c1995
300 _avi,712
650 _aApplied physics
650 _aElectronics
942 _cBK
999 _c792
_d792