1. Rare earth elements: A review of applications, occurrence, exploration, analysis, recycling, and environmental impact;Balaram;Geoscience Frontiers,2019
2. Basturkcu, E., Savran, C., Yuce, A.E., Topal, H. (2022). Investigation of Enrichment Opportunities Of Eskisehir Beylikahir Region Barite and Fluorite With Physical Methods. IMCET 2022, 442-449. Antalya-Turkiye. ISBN: 978-605-01-1494-2.
3. Rare earth metals: a strategic concern. Mineral;Campbell;Economics,2014
4. The Rare Earth Elements: Demand, Global Resources, and Challenges for Resourcing Future Generations;Goodenough;Natural Resources Research,2018
5. Mineralogical characterisation using QEMSCAN of the Nechalacho heavy rare earth metal deposit, Northwest Territories;Grammatikopoulos;Canada. Canadian Metallurgical Quarterly,2013