installation d'éclairage

Source : OFROU, ASTRA 13015 Directive Installations d'éclairage, 2022 ([Internet, 2024-01-30](https://www.astra.admin.ch/dam/astra/fr/dokumente/standards_fuer_nationalstrassen/astra_13015_beleuchtungsanlagen2016v100infranzoesischdeutschever.pdf.download.pdf/astra%2013015%20installations%20declairage.pdf))

Source : OFROU, ASTRA 13015 Richtlinie Beleuchtungsanlagen, 2022 ([Internet, 2024-01-30](https://www.astra.admin.ch/dam/astra/de/dokumente/standards_fuer_nationalstrassen/astra_13015_beleuchtungsanlagen2016v100infranzoesischdeutschever.pdf.download.pdf/astra%2013015%20beleuchtungsanlagen.pdf))

Source : USTRA, ASTRA 13015 Direttiva Impianti d'illuminazione, 2022 ([Internet, 2024-01-30](https://www.astra.admin.ch/dam/astra/it/dokumente/standards_fuer_nationalstrassen/astra_13015_beleuchtungsanlagen2016v100infranzoesischdeutschever.pdf.download.pdf/astra%2013015%20impianti%20dilluminazione.pdf))

Source : UST, CS Sottoposte a revisione le tre statistiche dei prezzi dell'UST, 2016-02-05 ([Internet, 2024-01-30](https://dam-api.bfs.admin.ch/hub/api/dam/assets/40442/master))

Source : City of London, Light + Darkness in the City/A Lighting Vision for the City of London, 2018, p. 12 ([Internet, 2024-01-30](https://www.cityoflondon.gov.uk/assets/Services-Environment/city-of-london-lighting-strategy.pdf))

Source : City of London, Light + Darkness in the City/A Lighting Vision for the City of London, 2018, p. 113 ([Internet, 2024-01-30](https://www.cityoflondon.gov.uk/assets/Services-Environment/city-of-london-lighting-strategy.pdf))