00443nam 2273780 450000100060000000300230000600500090002900800410003808200100007907200290008902000180011810000220013626000230015825000060018124500370018765000290022465000100025373780StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a004.6 acomputer communnications a0-13-217217-8 aWilliam Stallings bPEARSON CO. c2011 a4 aData and Computer Communications acomputer communnications atitle