@article{ZhouZhou2007,
  author    = {{Zhou, Yun Cai and Zhou, Bao Lan}},
  title     = {{On the Collatz Conjecture}},
  journal   = {{J. Yangtze University Natural Science}},
  year      = {{2007}},
  number    = {{1}},
  pages     = {{24--26}},
}