000			00353nam a2200145Ia 4500
008			170101s1961 xx 000 0 und d
082			_a621.3 H23E
100			_aHAMMOND, S.B.
245		0	_aElectrical engineering
260			_bN.Y. _c1961
300			_a566p
650			_aELECTRICAL ENGINEERING
653			_aELECTRICAL ENGINEERING
942			_2ddc _cB
999			_c15066 _d15066