Tugal, Dogan A. <br/><br/>
Data transmission / 
Dogan A. Tugal, Osman Tugal 
 - 2nd ed. 
 - New York  McGraw-Hill  1989 
 - xiv, 493p.  ill.  24cm. 
<br/><br/>Includes bibliographies and index 
<br/><br/><label>ISBN: </label>0070654476  RM159.60 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems