000 00312nam a2200109Ia 4500
008 160710s1956 xx 000 0 und d
082 _aTHE
245 _aJOURNAL OF THE INSITUTION OF TELECOMMUNICATION ENGINEERS
260 _bTHE INSITUTION OF TELECOMMUNICATION ENGINEERS
_c1956
300 _a230
942 _2ddc
_cB
999 _c31915
_d31915