TY - RPRT TI - Hierarchical optimization for neutron scattering problems AU - Bao, Feng AU - Archibald, Rick AU - Bansal, Dipanshu AU - Delaire, Olivier PY - 2016 DO - 10.1016/j.jcp.2016.03.017 UR - https://www.osti.gov/biblio/22572316 ID - 22572316 ER -