000 00408nam a2200169Ia 4500
008 180424s9999 xx 000 0 und d
084 _a621.381 52 G1
100 _a"Gentry, "
245 0 _aSemiconductor Controlled Rectifiers
250 _a\\197900ENGGPSX
260 _aMcGraw Hill
260 _b1979
260 _cSydney
300 _a384p
500 _aincludes index and biblioraphy
942 _cBK
999 _c39940
_d39940