000 00344nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a130329622
082 _a621
082 _b381 BE
100 _a"Beards,Peter,H."
245 0 _aAnalog And Digital Elect
260 _aNew Delhi
260 _bPHI
260 _c1987
300 _a"xv,558"
999 _c28571
_d28571