000 00281nam a2200109Ia 4500
008 200701s2009 xx 000 0 eng d
100 _aAMRUTHA JEEVAKUMARI
245 0 _aELEMENTS OF DATA COMMUNICATION & NETWORKING
260 _bUNIVERSITIES
_c2009
300 _a225
942 _2ddc
_cGE
999 _c4907
_d4907