Marzban, N. and Sarlaki, E. . (2026) “CAN HYDROTHERMAL BIOMASS PROCESSING SERVE AS AN ANALOGUE OF MILLENNIA-SCALE NATURAL CARBON MATURATION? A UNIFIED PERSPECTIVE ON CARBONISATION, HUMIFICATION, AND FULVIFICATION”, Planetary Sustainability, 4(1), pp. 22–47. doi: 10.46754/ps.2026.01.002.