TY - RPRT TI - Dynamic material flow analysis of tantalum in the United States from 2002 to 2020 AU - Abraham J. Padilla AU - Nedal T. Nassar PY - 2022 DO - 10.1016/j.resconrec.2022.106783 UR - https://pubs.usgs.gov/publication/70238621 ID - 70238621 ER -