000 00303nam a2200121Ia 4500
008 211209s2012 xx 000 0 und d
041 _aeng
082 _a004.6 STA
100 _aSTALLINGS, WILLIAM
245 _aDATA AND COMPUTER COMMUNICATIONS
250 _a8TH ED
260 _aNEW DELHI
_bPEARSON
_c2012
999 _c80974
_d80974