@article{FarruggiaLawrenceWaterhouse1996,
  author    = {{Carolyn Farruggia, Michael Lawrence and Brian Waterhouse}},
  title     = {{The elimination of a family of periodic parity vectors in the $3x+1$ problem}},
  journal   = {{Pi Mu Epsilon J.}},
  year      = {{1996}},
  volume    = {{10}},
  pages     = {{275--280}},
}