000			00286nam a2200109Ia 4500
008			160710s1958 xx 000 0 und d
100			_aPRATT,W.T.
245			_aWORKED EXAMPLE IN ELECTRO TECHNOLOGY
260			_aLONDON _bHUTCHINSON SC. TECHNICAL _c1958
300			_a263
942			_2ddc _cB
999			_c23784 _d23784