000 00321nam a2200121Ia 4500
008 240531s9999 xx 000 0 und d
020 _a978 0 8160 2029 4 816020299
082 _aR384 03 GRA
100 _aGraham,J
245 0 _aDictionary of telecommunications
260 _aN.Y.
_b Facts on file
_c1983
942 _cAREF
999 _c325617
_d325617