Kozlovska-Kędziora, Justyna, and Egidijus Petraitis. “The Possibilities of Using Sapropel for Briquette Production”. Mokslas – Lietuvos ateitis / Science – Future of Lithuania 3, no. 5 (December 19, 2011): 24-30. Accessed July 7, 2024. https://jeelm.vgtu.lt/index.php/MLA/article/view/5110.