000 00271nam a2200121Ia 4500
100 _aSmith ralph
250 _a2nd
942 _cBK
245 _aElectronics
_bCircuits and devices
260 _aWiley eastern, New york
_c1980
082 _a621.381 Smi
300 _axiii,494
999 _c18069
_d18069