@techreport{TechReport_2010_LANL_LA-UR-10-02146_MartzGoorleyEtAl, address = {Los Alamos, NM, USA}, author = {Martz, Roger Lee and Goorley, John Timothy and Clement, Ryan}, institution = {Los Alamos National Laboratory}, number = {LA-UR-10-02146}, title = {{Implementing MCNP's 21st Century Geometry Capability: Requirements, Issues, and Problems}}, url = {http://permalink.lanl.gov/object/tr?what=info:lanl-repo/lareport/LA-UR-10-02146}, year = {2010} }