@techreport{TechReport_2004_LANL_LA-UR-04-4751_KigerAlbrittonEtAl,
  address = {Los Alamos, NM, USA},
  author = {Kiger, III, W. S. and Albritton, J. R. and Hochberg, A. G. and Goorley, John Timothy},
  institution = {Los Alamos National Laboratory},
  number = {LA-UR-04-4751},
  title = {{Performance Enhancements on MCNP4B, MCNPX for Monte Carlo Radiotherapy Planning Calculations in Lattice Geometries}},
  url = {http://permalink.lanl.gov/object/tr?what=info:lanl-repo/lareport/LA-UR-04-4751},
  year = {2004}
}