000 00303nam a2200145Ia 4500
020 _a9781860071157
082 _b325
_a500
100 _a"HYNSON, COLIN"
245 0 _aTELECOMMUNICATIONS
260 _c0
300 _a0
944 _cBK
999 _c95429
_d95429