Data communications international 

 - Estados Unidos de América :   Data Communications International. Reader Service,  1993 
 - 1993 :22 (2-18) 1994 :23 (1-13) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comunicaciones digitales
<br/><br/><label>Dewey Class. No.: </label>PP 384 D232c