Signal processing : Discrete Spectral Analysis, Detection, and Estimation / Mischa Schwartz; Leonard Shaw
Marconi : 75 anos de comunicações internacionais / Miguel Figueira de Faria; pref. Jorge Metello de Nápoles; rev. Alda Mondas e Maria do Céu Baiôa
Cable Television / William Grant
The New Telecommunications Industry : Evolution and Organization (vol.II) / Leonard S. Hyman ; Rosemary M.Avellis