000 00348nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a9.78813E+12
082 _aAL-
082 _b31 C
100 _a"Flood, J E"
245 0 _aTelecommunications Switc
260 _aNew Delhi
260 _bPearson Education
260 _c2006
300 _a310
999 _c19663
_d19663