000 00355nam a2200157Ia 4500
008 230317s1990 xx 000 0 und d
020 _a876921241
041 _aeng
082 _a621/ALL
100 _aallen mottershead
245 _aelectronic device and circuit
250 _a1st
260 _bPHI
_c1990
300 _a641p
650 _aELECTRONICS
999 _c298031
_d298031