Tugal, Dogan A. <br/><br/>
Data transmission / 
Dogan A. Tugal, Osman Tugal 
 - 2nd ed. 
 - New York :  McGraw-Hill Book,  1989 
 - 493 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0076654476 
<br/><br/><label>LCCN: </label>88-14067 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems