Hajto, Marek, and Michał Kaczmarczyk. “The Potential to Improve Air Quality by Increasing the Use of Deep Geothermal Energy”. Geology, Geophysics and Environment 48, no. 2 (May 29, 2022): 147–175. Accessed April 8, 2025. https://journals.agh.edu.pl/geol/article/view/4613.