Held,Gilbert <br/><br/>
Data communications testing and troubleshooting / 
Gilbert Held 
 - 2nd ed. 
 -  Van Nostrand Reinhold Company,  1992 
<br/><br/><label>ISBN: </label>9780442009908 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data communications testing<br/>Data communications troubleshooting
<br/><br/><label>Dewey Class. No.: </label>001.54  / HEL