URBANIEC, Krzysztof.
 Theoretical Analysis of the Efficiency of  Thermionic Energy Converter's.
<strong>Journal of Power Technologies</strong>, [S.l.], v. 30, p. 3-46, mar. 2011.
ISSN 2083-4195.
Available at: &lt;<a href="https://papers.itc.pw.edu.pl/index.php/JPT/article/view/60" target="_new">https://papers.itc.pw.edu.pl/index.php/JPT/article/view/60</a>&gt;. Date accessed: 26 apr. 2024.