000 00340nam a2200145Ia 4500
008 221030s9999 xx 000 0 und d
041 _aEnglish
082 _a105.23
100 _aM. Jain
245 0 _aData Communication and Networking Essentials
_cby M. Jain, S. Jain
260 _c0
650 _aB
700 _aS. Jain
942 _cBK
999 _c11314
_d11314