000 00256nam a2200097Ia 4500
008 160710s1964 xx 000 0 und d
100 _aAMERICAN TELEPHONE
245 _aTHE BELL SYSTEMS TECHNICAL OF JOURNAL DEC.
260 _bBROADWAY
_c1964
942 _2ddc
_cB
999 _c31954
_d31954