Encyclopaedia of communication media / 
edited by Y. K. D'Souza. 
 - 4v. 
<br/><br/><label>ISBN: </label>8126104325 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks --Encyclopedias.<br/>Data transmission systems --Encyclopedias.
<br/><br/><label>LC Class. No.: </label>TK5105.5   / .E53 2000 re