article{xs06,
  author  =      "W. Xie and N. V. Sahinidis",
  title   =      "{Residue-rotamer-reduction algorithm for the protein side-chain conformation problem}",
  journal =      "Bioinformatics",
  volume  =      22,
  OPTnumber  =   2,
  pages   =      "188--194",
  year    =      "2006",
}