Exposition Universelle et Internationale <br/><br/>
Electromagnetic wave propagation  :   international conference sponsored by the Postal and Telecommunications Group of the Brussels Universal Exhibition. /  

 - london :  Academic Press  1960. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ONDAS RADIOELECTRICAS--CONGRESOS<br/>TELECOMUNICACION--CONGRESOS.