Andrew Simmonds <br/><br/>
Data Communications and Transmission Principles 

 - Houndmillss, Basingstoke, Hampshire RG21 6XS  MACMILLAN PRESS LTD  1997 
<br/><br/><label>ISBN: </label>9780333646892 
<br/><br/><label>LC Class. No.: </label>TK 5105.S56 1997