000 00352nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a9.78E+12
082 _a621
082 _b38153
100 _a"Marston, R M"
245 0 _aPower Control Circuit ma
260 _aLondon
260 _bHeinemann Newnes
260 _c1990
300 _a"VIII, 198"
999 _c33138
_d33138