International Meeting on Marine Radio Aids to Navigation, New York and New London, Conn., 1947. Proceedings and Related Documents. 

 - Washington :   United States Government Printing Office,   1948. 
 - 685 p. :   ilus.;  mapas ;   27 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>RADIO NAVEGACIÓN<br/>ELECTRÓNICA EN LA NAVEGACIÓN
<br/><br/><label>Index Terms--Genre/Form: </label><br/>PROCEEDINGS
<br/><br/><label>Universal Decimal Class. No.: </label>621.396