000 00277nam a2200121Ia 4500
008 160710s1988 xx 000 0 und d
082 _a621.3192 MAR
100 _aMARKUS,JOHN
245 _aESSENTIAL CIRCUITS
260 _bMCGRAW HILL
_c1988
300 _a531
942 _2ddc
_cB
999 _c48358
_d48358