| 1. | Report on the coverage of the territory of the Republic of Poland with the existing telecommunications infrastructure, investment projects completed in 2013 and planned for 2014 and buildings that enable co-location [documento electrónico] / Office of Electronic CommunicationsData Publicação: 2014 Tema: Comunicações Eletrónicas |  | |
| 2. | CEF DSI maturity study [documento eletrónico] / Patrick Wauters...[et al.]Autor: WAUTERS, Patrick Data Publicação: 2014 Tema: Comunicações Eletrónicas | | |
| 3. | Protection of underground electronic communications infrastructure [documento eletrónico] : the use of automated information system for damage prevention against civil work / Cédric Lévy-BenchetonAutor: LÉVY-BENCHETON, Cédric Data Publicação: 2014 Tema: Comunicações Eletrónicas | | |