Bujlo, P., Pasciak, G., Chmielowiec, J., & Malinowski, M.
(2013).
Application of a polymer exchange membrane fuel cell stack as the primary energy source in a commercial uninterruptible power supply unit.
Journal Of Power Technologies, 93(3), 154--160.
Retrieved from https://papers.itc.pw.edu.pl/index.php/JPT/article/view/406