00369    a2200145   4500003000500000005001700005020001800022040000900040245006600049250001900115260003200134300000900166500001100175650003700186Nust20170207164552.0  a0-13-243310-9  cNust  aData and computer communications (E-Book) cWilliam Stallings  aEighth Edition  aNJbPearson Educationc2007  a901p  aE BOOK  aDATA AND COMPUTER COMMUNICATIONS