1. Rare earth elements as critical raw materials: Focus on international markets and future strategies
2. 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, 13.9.2017, COM(2017) 490 Finalhttp://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX:52017DC0490&from=EN
3. Rare earth production, regulatory USA/International constraints and Chinese dominance; The economic viability is bounded by geochemistry and value chain integration;Kennedy,2015
4. A new hybrid decision support tool for evaluating the sustainability of mining projects
5. Strengthening the European Rare Earths Supply Chain: Challenges and Policy Optionshttp://reinhardbuetikofer.eu/wp-content/uploads/2015/03/ERECON_Report_v05.pdf