- Arnhem :  International Telecomunication Union UIT,  1953. 
 - 244 ;  24cm. 
<br/><br/> Incluye index. 
<br/><br/>list of participants. Extracts from minutes of plenary meetings. Recommendations issued by the C.C.T.I. Reports and resolutions. Questions for study. Study groups. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecomunicaciones.<br/>Congresos y conferencias.<br/>Resoluciones.<br/>Informes.