Reference author: Christoph Helbig

Cimprich, A., Bach, V., Helbig, C., Thorenz, A., Schrijvers, D., Sonnemann, G., … Berger, M. (2019). Raw material criticality assessment as a complement to environmental life cycle assessment: Examining methods for product-level supply risk assessment Journal of Industrial Ecology, 23. https://doi.org/10.1111/jiec.12865

Cimprich, A., Young, S. B., Helbig, C., Gemechu, E. D., Thorenz, A., Tuma, A., & Sonnemann, G. (2017). Extension of geopolitical supply risk methodology: Characterization model applied to conventional and electric vehicles Journal of Cleaner Production, 162. https://doi.org/10.1016/j.jclepro.2017.06.063

Helbig, C., Gemechu, E. D., Pillain, B., Young, S. B., Thorenz, A., Tuma, A., & Sonnemann, G. (2016). Extending the geopolitical supply risk indicator: Application of life cycle sustainability assessment to the petrochemical supply chain of polyacrylonitrile-based carbon fibers Journal of Cleaner Production, 137. https://doi.org/10.1016/j.jclepro.2016.07.214

Berger, M., Sonderegger, T., Alvarenga, R., Bach, V., Cimprich, A., Dewulf, J., … Young, S. B. (2020). Mineral resources in life cycle impact assessment: part II \textendash recommendations on application-dependent use of existing methods and on future method development needs The International Journal of Life Cycle Assessment. https://doi.org/10.1007/s11367-020-01737-5

Sonderegger, T., Berger, M., Alvarenga, R., Bach, V., Cimprich, A., Dewulf, J., … Young, S. B. (2020). Mineral resources in life cycle impact assessment\textemdashpart I: a critical review of existing methods The International Journal of Life Cycle Assessment. https://doi.org/10.1007/s11367-020-01736-6