000 00251nam a2200085Ia 4500
008 160710s1960 xx 000 0 und d
245 _aELECTRICAL ENGINEERING VOL.79 JAN-JUNE 1960
260 _aNEW YORK
_bNATIONAL TECHNIQUES MEETING
_c1960
942 _2ddc
_cB
999 _c31298
_d31298