Book 3.1 Faculty of Electrical and Electronic Engineering and AutomationBook 3.1 · Electrical Engineering, Electronics and Automation FRI-ONLINE-1-EEEA-09 Review of Urban Lighting Systems and Opportunities of their Efficacy Control Cite Cite this paper× Citation styleAPA 7IEEEChicago Author–DateHarvardBibTeXRIS DownloadCopy Stoyan Nyagolov, Donka Ivanova, Nikolay Valov