Assessment of energy efficient LED ballasts based on their weight and sizeMilaševski, Irena; Tetervenok, Oleg; Galkin, IljaScientific journal of Riga Technical University. Serija 4, Power and electrical engineering2011 / p. 105-112 : ill https://ui.adsabs.harvard.edu/abs/2011SJRUP..29..105M/abstract Awareness of BSR municipalities about sustainable urban lighting and green public procurementsKorõtko, Tarmo; Rosin, Argo; Varjas, Toivo; Ahmadiahangar, Roya2020 IEEE International Conference on Environment and Electrical Engineering and 2020 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe), Madrid, Spain, 9-12 June 2020 : proceedings2020 / 6 p. : ill https://doi.org/10.1109/EEEIC/ICPSEurope49358.2020.9160761 Case study of smart city lighting system with motion detector and remote controlKuusik, Marko; Varjas, Toivo; Rosin, Argo2016 IEEE International Energy Conference (ENERGYCON) : [Leuven, Belgium, 4-8 April 2016]2016 / [5] p. : ill https://doi.org/10.1109/ENERGYCON.2016.7513906