Niedziółka, Ignacy, and Beata Zaklika. “Assessment of Physical Properties of Briquettes Made of Mixtures of Selected Plant Raw Materials and Post-Fermentation Waste”. Agricultural Engineering 20, no. 1 (July 24, 2016): 101–110. Accessed March 29, 2024. http://agriceng.ptir.org/index.php/AgricEng/article/view/110.