Privacy and security in civil telecommunications :  report of a Public Affairs Board working party on privacy and security in telecommunications / 
Institution of Electrical Engineers. 
 - London :  Institution of Electrical Engineers,  1984. 
 - 31p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wiretapping--Great Britain.<br/>Eavesdropping--Great Britain.<br/>Telecommunications--Apparatus and supplies--Protection.--Great Britain