Quarterman, John S. <br/><br/>
The Matrix : computer networks and conferencing systems worldwide 

 - Bedford, Mass. :  Digital Press,  1990 
 - 719 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMPUTER NETWORKS<br/>TELECOMMUNICATION
<br/><br/><label>LC Class. No.: </label>TK5105.5  / Q32M