@techreport{TechReport_1991_LANL_LA-12196_WhalenHollowellEtAl,
  address = {Los Alamos, NM, USA},
  author = {Whalen, Daniel J. and Hollowell, David E. and Hendricks, John S.},
  institution = {Los Alamos National Laboratory},
  month = {September},
  number = {LA-12196},
  title = {{MCNP: Photon Benchmark Problems}},
  year = {1991}
}