000			00339nam a2200145Ia 4500
100			_aWatson/W.G
650			_aElectrical Engineering
942			_cBK
654			_aElectrical &Electronic Drawing
245			_aElectrical &Electronic Drawing
260			_bLongman _aLondon _c1977
082			_a621.3
300			_a229
546			_aENGLISH
999			_c30204 _d30204