Data communications for business / 

 - St. Louis  ;   Santa Clara :    1987. 
 - XX, 326 p. ;  Ill, ;   24 cm 
<br/><br/> Include Indexs. 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>650  / LTD 1987