TY - RPRT TI - Using yttrium as an indicator to estimate total rare earth element concentration: a case study of anthracite-associated clays from northeastern Pennsylvania AU - Yang, Xiaojing AU - Kozar, Daniel AU - Gorski, Daniel AU - Marchese, Anthony AU - Pagnotti, James AU - Sutterlin, Rusty AU - Rezaee, Mohammad AU - Klima, Mark S. AU - Pisupati, Sarma V. (ORCID:0000000220983302) PY - 2020 DO - 10.1007/s40789-020-00316-1 UR - https://www.osti.gov/biblio/1618514 ID - 1618514 ER -