000 00438nam a2200133Ia 4500
008 160316s9999 xxu||||| |||| 00| 0 eng d
020 _a0-7668-2684-8
100 _aBlake Roy
245 _aElectronic communication systems
260 _aUK
_bDelmar
_c2002
300 _axx,985p;26cm
650 _aCommunicating system
999 _c69228
_d69228