Žiemelis, Darius. “The Transformation of the Concept of an Urban Ecosystem: Classical and Modern Urban Ecology”. Sociologija. Mintis ir veiksmas 43, no. 2 (December 20, 2018): 107–132. Accessed July 18, 2024. https://www.journals.vu.lt/sociologija-mintis-ir-veiksmas/article/view/12848.