Elahi, Ata. <br/><br/>
Data, network, and internet communications technology / 
Ata Elahi, Mehran Elahi. 
 - Clifton Park, NY :  Thomson Delmar Learning,  2005 
 - 570 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>1401872697 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Textbooks<br/>Data transmission systems--Textbooks