000 00296nam a2200121Ia 4500
008 250224s9999 xx 000 0 und d
020 _a9780748708550
082 _aJ621.38TAY
100 _aTaylor,Brian
245 0 _aCommunications book 1
260 _bStanley Thornes ltd
_c1991
942 _cJBK
999 _c467131
_d467131