%0 Journal Article %J The International Journal of Life Cycle Assessment %D 2017 %T Extending the geopolitical supply risk method: material �substitutability� indicators applied to electric vehicles and dental X-ray equipment %A Cimprich, Alexander %A Karim, Karim S %A Young, Steven B %B The International Journal of Life Cycle Assessment %I Springer Berlin Heidelberg %P 1–19 %G eng