000 00224nam a2200085Ia 4500
008 160710s1953 xx 000 0 und d
245 _aELECTRONICS VOL. 26 OCT-DEC 1953
260 _aNEW YORK
_bMCGRAW HILL
_c1953
942 _2ddc
_cB
999 _c31104
_d31104