Loomis, Mary E.S. <br/><br/>
Data communications / 
Mary E.S. Loomis 
 - [Place of publication not identifed] :  [publisher not identified],  c1983 
<br/><br/> Data communications, Data 
<br/><br/><label>ISBN: </label>131964690 
<br/><br/><label>LC Class. No.: </label>TK 5105 .L63 1983