000 00378nam a2200169Ia 4500
100 _aGray/B.F
650 _aElectrical Engineering
490 _vI
942 _cBK
654 _aElectronic System And Practice
245 _aElectronic System And Practice
260 _bLongman
_aLondon
_c1980
082 _a621.3
_bGra
300 _a163
546 _aENGLISH
999 _c25268
_d25268