Meyer, Niels I, Brian Vad Mathiesen, and Frede Hvelplund. “Barriers and Potential Solutions for Energy Renovation of Buildings in Denmark”. International Journal of Sustainable Energy Planning and Management 1 (May 6, 2014): 59–66. Accessed March 29, 2024. https://journals.aau.dk/index.php/sepm/article/view/549.