TY - RPRT TI - Compendium of Material Composition Data for Radiation Transport Modeling AU - Detwiler, Rebecca S. AU - McConn, Ronald J. AU - Grimes, Thomas F. AU - Upton, Scott A. AU - Engel, Eric J. PY - 2021 DO - 10.2172/1782721 UR - https://www.osti.gov/biblio/1782721 ID - 1782721 ER -