000			003580000a22001570004500
245			_aElectrical technology
100			_aHughes, Edward
250			_a4th rev. ed.
260			_aLondon _bLongman/ELBS _c1972
300			_axviii, 710p.
500			_aIndex included
020			_a0582426243
080			_a621.3 _bH8
041			_aEN
942			_cBK _02
999			_c110438 _d110438