Horrocks, R.J..  <br/><br/>
Future Trends in Telecommunications /  
Horrocks R.J., Scarr R.W.A.. 
 - Chichester, West Sussex :   Wiley,   1993. 
 - XXVIII, 452 s.:   il.;   25 cm. 
<br/><br/><label>ISBN: </label>047193724X