Sippl, Charles J., <br/><br/>
Macmillan Dictionary of Data Communications / 
Charles J. Sippl. 
 - 2nd edition. 
 - London :   Macmillan,   ©1985. 
 - 532 pages :  illustrations ;  23 cm. 
 - Macmillan reference books .
<br/><br/><label>ISBN: </label>9780333370834 0333370724 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems--Dictionaries.