ØSTERGAARD, P. A.; JOHANNSEN, R. M.; LUND, H.; MATHIESEN, B. V. Latest Developments in 4th generation district heating and smart energy systems. International Journal of Sustainable Energy Planning and Management, Aalborg, Denmark, v. 31, p. 1–4, 2021. DOI: 10.5278/ijsepm.6432. Disponível em: https://journals.aau.dk/index.php/sepm/article/view/6432. Acesso em: 19 apr. 2024.