Walden, Ian (ed) & Angel, John <br/><br/>
Telecommunications law and regulation 

 - 2nd ed 
 - Oxford University Press,  New Delhi  2007 
 - liv,731 
<br/><br/>
<br/><br/><br/>E 
<br/><br/><label>Universal Decimal Class. No.: </label>343.0999(42)