TY - RPRT TI - Clustering of excess oxygen in uranium dioxide: A first-principles study AU - Yang, L. AU - Wirth, B. D. (ORCID:0000000203950285) PY - 2021 DO - 10.1016/j.jnucmat.2021.153087 UR - https://www.osti.gov/biblio/1787710 ID - 1787710 ER -