Wysocki, M., & 		Elsner, W.
(2013).
 Analysis of operation of cogeneration installation equipped with a fix bed downdraft gasifier.
<em>Journal Of Power Technologies, 93</em>(5), 397--406.
Retrieved from <a href="https://papers.itc.pw.edu.pl/index.php/JPT/article/view/492" target="_new">https://papers.itc.pw.edu.pl/index.php/JPT/article/view/492</a>