Radawiec, Wioleta, Janusz Gołaszewski, and Barbara Kalisz. 2023. “Solid Tailings After Supercritical CO₂ Extraction of Lignocellulosic Biomass As a Source of Quality Biochar for Energetic Use and As Soil Improvement”. Journal of Agricultural Engineering 54 (3). https://doi.org/10.4081/jae.2023.1344.