Teletraffic and Datatraffic. Socio-Economic Aspects. ITC-13 Workshops :   Proceedings of the Thirtheenth International Teletraffic Congress /  
Jensen Arne, Iversen Villy B.. 
 - Amsterdam :   North-Holland,   1992. 
 - XXXIX, 540 s.:   il.;   27 cm. 
<br/><br/><label>ISBN: </label>044489389X