World Telecommunication Indicators :   Chronological Time Series 1960-1997 /  

 - 5 edition. 
 - Geneva ;   Chichester :   ITU :   Wiley&Sons,   1999. 
 - 2 dyskietki 1.44 MB;   0 cm. 
<br/><br/><label>ISBN: </label>9261078818