TY - BOOK T1 - Radio communication at ultra high frequency. A1 - Thomson, John, professor of physics LA - English PP - London, PB - Methuen YR - 1950 UL - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dfi.28730 OP - 203 KW - RADIO DE ONDA CORTA ER -