Duck, Michael <br/><br/>
Data communications for engineers / 
Michael Duck, Peter Bishop and Richard Read 
 - Harlow :  Addison-Wesley,  1996 
 - 270 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0201427885  RM107.57 
<br/><br/><label>LCCN: </label>97-112437 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission system<br/>Computer networks