@misc{indiciae1dbc02826ad2, title = {Rare earth element sources, end-use demand trends, and hydrometallurgical separations}, author = {James Vaughan and Vitor L. Gontijo and Rick Valenta and Elisa Alonso}, year = {2023}, url = {https://pubs.usgs.gov/publication/70248500}, note = {Source identifier: 70248500} }