@techreport{TechReport_2022_LANL_LA-UR-26-27391_ConlinHaeckEtAl, address = {Los Alamos, NM, USA}, author = {Jeremy Lloyd Conlin and Wim Haeck and Paul Romano}, institution = {Los Alamos National Laboratory}, month = {April}, number = {LA-UR-26-27391}, title = {{A Compact ENDF (ACE) Format Specification}}, year = {2022} }