TY - RPRT TI - Rare Earth Elements in coal fly ash and their potential recovery AU - James C. Hower AU - Allan Kolker AU - Heileen Hsu-Kim AU - Desiree Platta PY - 2024 DO - 10.1002/9781119515005.ch2 UR - https://pubs.usgs.gov/publication/70203337 ID - 70203337 ER -