Kotowicz, J., & Balicki, A. (2013). Analysis of the thermodynamic and economic effciency of a supercritical power unit with a lignite-fed CFB boiler and an air separation unit based on high-temperature membrane technology. Journal Of Power Technologies, 93(5), 308--313. Retrieved from https://papers.itc.pw.edu.pl/index.php/JPT/article/view/490