Effect of biomaterials and working pressure of a briquetting machine on physical characteristics and energy consumption of briquette productionIgnacy Niedziółka, Maciej Sprawka, Beata Zaklika, Artur Kraszkiewicz and Artur PrzywaraBIO Web Conf., 10 (2018) 02024DOI: https://doi.org/10.1051/bioconf/20181002024