Sierra, Carlos A. Quantitative Ecosystem Ecology, Dr. C. Sierra, Department Biogeochemical Processes, Prof. S. E. Trumbore, Max Planck Institute for Biogeochemistry, Max Planck Society;
Boone, L., Van linden, V., Roldán-Ruiz, I., Sierra, C. A., Vandecasteele, B., Sleutel, S., et al. (2018). Introduction of a natural resource balance indicator to assess soil organic carbon management: Agricultural Biomass Productivity Benefit. Journal of Environmental Management, 224, 202-214. doi:10.1016/j.jenvman.2018.07.013.