M. Sołtysik, K. Mucha-Kuś. “Influence of Regulations on Market Efficiency from the Viewpoint of High-Efficiency Cogeneration”. Acta Energetica, no. 03 (September 30, 2014): 134–143. Accessed September 21, 2025. https://www.actaenergetica.org/index.php/journal/article/view/301.