1. Auerbach, R., Bokelmann, K., Stauber, R., Gutfleisch, O., Schnell, S., & Ratering, S. (2019). Critical raw materials – advanced recycling technologies and processes: Recycling of rare earth metals out of end of life magnets by bioleaching with various bacteria as an example of an intelligent recycling strategy. Minerals Engineering, 134(April), 104–117.
2. Costis, S., Mueller, K. K., Coudert, L., Neculita, C. M., Reynier, N., & Blais, J. (2020). Recovery potential of rare earth elements from mining and industrial residues: A review and cases studies. Journal of Geochemical Exploration. https://doi.org/10.1016/j.gexplo.2020.106699
3. European Commission. (2017). Communication from the Commission to The European Parliament, The Council, The European Economic and Social Committee and The Committee of The Regions on the 2017 List of Critical Raw Materials for the EU. Brussels.
4. European Commission. (2020a). Critical raw materials resilience: Charting a path towards greater security and sustainability. Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of the Regions, COM (2020) 474 Final; European Commission.
5. European Commission. (2020b). Critical materials for strategic technologies and sectors in the EU – A foresight study.