1.
Østergaard PA, Johannsen RM, Lund H, Mathiesen BV. Latest Developments in 4th generation district heating and smart energy systems. IJSEPM [Internet]. 2021 May 18 [cited 2024 Nov. 23];31:1-4. Available from: https://journals.aau.dk/index.php/sepm/article/view/6432