Marconi :
Coe, Douglas.
Marconi : Pioneer of Radio. - New York : Julian Messner Inc, 1943 (1963)
Marconi, Guglielmo, marchese, 1874-1937.
Marconi : Pioneer of Radio. - New York : Julian Messner Inc, 1943 (1963)
Marconi, Guglielmo, marchese, 1874-1937.