ØSTERGAARD, P. A.; JOHANNSEN, R. M.; LUND, H.; MATHIESEN, B. V. New Developments in 4th generation district heating and smart energy systems. International Journal of Sustainable Energy Planning and Management, Aalborg, Denmark, v. 27, p. 1–3, 2020. DOI: 10.5278/ijsepm.3664. Disponível em: https://journals.aau.dk/index.php/sepm/article/view/3664. Acesso em: 4 may. 2024.