Pieper, Henrik, Vladislav Mašatin, Anna Volkova, Torben Ommen, Brian Elmegaard, and Wiebke Brix Markussen. “Modelling Framework for Integration of Large-Scale Heat Pumps in District Heating Using Low-Temperature Heat Sources: A Case Study of Tallinn, Estonia”. International Journal of Sustainable Energy Planning and Management 20 (March 18, 2019). Accessed December 10, 2024. https://journals.aau.dk/index.php/sepm/article/view/2737.