Reference author: Axel Tuma

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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