O,leary, Timothy J <br/><br/>
Computing Essentials 

 - USA  Mc Graw Hill  1998 
<br/><br/><label>ISBN: </label>0-07-115484-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Integrated services digital networks
<br/><br/><label>Dewey Class. No.: </label>621.382  / OLE