000 00292nam a22001217a 4500
999 _c3837
_d3837
020 _a9788131705025
082 _a384.545
100 _aJ.E. Flood
245 _aTelecommunications Switching, Traffic and Networks
260 _aNew Delhi
_bDorling Kindersley
_c2009
300 _a310
942 _cBK