Hansen, Lisa Christin, Philipp Bojahr, and Josef Timmerberg. “POWER2GAS IN GERMANY – TECHNOLOGY AND OPPORTUNITIES”. HUMAN. ENVIRONMENT. TECHNOLOGIES. Proceedings of the Students International Scientific and Practical Conference, no. 21 (April 19, 2017): 117–124. Accessed May 7, 2024. https://journals.ru.lv/index.php/HET/article/view/3591.