000 00259nam a2200109Ia 4500
999 _c15201
_d15201
020 _a0070279802
100 _aHarry L Helms
245 _aContemporary Electronics Circuits Deskbook
260 _c1987
_bMcGRAW HILL
_aNew York
300 _axii+253
942 _cREF