@misc{indiciaea2fe7e77a29f, title = {A Biochar Classification System and Associated Test Methods}, author = {Camps-Arbestain, Marta and Amonette, James E. and Singh, Balwant and Wang, Tao and Schmidt, Hans-Peter}, year = {2015}, url = {https://www.osti.gov/biblio/1179510}, note = {Source identifier: 1179510} }