000 00263nam a2200121Ia 4500
100 _aMitchelll/B.B
942 _cBK
654 _asemiconductor
245 _aSemiconductor pulse circuit
260 _bHolt
_aSanfransico
_c1970
300 _a379
546 _aENGLISH
999 _c20441
_d20441