BEST, I. Economic comparison of low-temperature and ultra-low-temperature district heating for new building developments with low heat demand densities in Germany. International Journal of Sustainable Energy Planning and Management, Aalborg, Denmark, v. 16, p. 45–60, 2018. DOI: 10.5278/ijsepm.2018.16.4. Disponível em: https://journals.aau.dk/index.php/sepm/article/view/2022. Acesso em: 31 jan. 2023.