000 00254nam a2200097Ia 4500
008 231013s9999 xx 000 0 und d
090 _a621.381
100 0 _aSingmin, Andrew
245 0 0 _aPractical Audio Amplified Circuit
260 3 _aBoston
_bButterworth
_c2000
999 _c7724
_d7724