Lighting of urban green areas – the case of Grabiszyn Park in Wrocław. Searching for the balance between light and darkness through social and technical issuesAgata Łopuszyńska and Małgorzata Bartyna-ZielińskaE3S Web Conf., 100 (2019) 00049DOI: https://doi.org/10.1051/e3sconf/201910000049