Sakrabani, R.; Kern, J.; Mankasingh, U.; Zavalloni, C.; Zanchettin, G.; Bastos, A. C.; Tammeorg, P.; Jeffery, S.; Glaser, B.; Verheijen, F. G. A. Representativeness of European Biochar Research: Part II – Pot and Laboratory Studies. JEELM 2017, 25, 152-159.