BALOG, Ágnes. Grassland on the top - pilot project on a sustainable green roof. 4D Journal of Landscape Architecture and Garden Art, [S. l.], n. 30, p. 27–49, 2013. Disponível em: https://journal.uni-mate.hu/index.php/4D/article/view/5814. Acesso em: 1 feb. 2026.