Ramos Emilio <br/><br/>
Concepts Of Data Communications Emilio Ramos Al Schroeder 

 -  New York : Macmillan Toronto : Maxwell Macmillan Canada New York : Maxwell Macmillan International C1994. 
 - 249 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>0024077747 (Paper)