000 00281nam a2200121Ia 4500
008 211209s1978 xx 000 0 und d
041 _aeng
082 _a621.381 534 N79 VEA
100 _aVEATCH
245 _aPULSE AND SWITCHING CIRCUITS ACTION
260 _c1978
300 _a467
999 _c12491
_d12491