BRODOWICZ, Kazimierz. BIOGAS-ECONOMICAL SIGNIFICANCE AND GENERATION THEREOF. Journal of Power Technologies, [S.l.], v. 61, p. 3-33, mar. 2011. ISSN 2083-4195. Available at: <https://papers.itc.pw.edu.pl/index.php/JPT/article/view/86>. Date accessed: 04 dec. 2024.