000 00293nam a2200109Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
100 _aFlood, J.E
245 0 _aTelecommunication switching
260 _aPearson education
_bNew Delhi
_c2006
300 _aXI,203p
_b0
650 _aCIVIL ENGINEERING
999 _c132414
_d132414