Tooley, Michael <br/><br/>
Data communications pocket book. (2nd ed.) 

 - 2nd ed. 
 - Oxford:  Newnes  1992 
<br/><br/><label>ISBN: </label>0750604271 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DATA TRANSMISSION SYSTEMS--HANDBOOKS, MANUALS, ETC
<br/><br/><label>LC Class. No.: </label>REF TK 5105 Too