Meyer, Sebastian, Lorenzo Genesio, Ines Vogel, Hans-Peter Schmidt, Gerhard Soja, Edward Someus, Simon Shackley, Frank G. A Verheijen, and Bruno Glaser. “Biochar Standardization and Legislation Harmonization”. Journal of Environmental Engineering and Landscape Management 25, no. 2 (June 28, 2017): 175-191. Accessed November 17, 2024. https://jau.vgtu.lt/index.php/JEELM/article/view/1627.