@article{HuangWu2000,
  author    = {{Huang, Guo Lin and Wu, Jia Bang}},
  title     = {{One-to-one correspondence between the natural numbers and the parity vectors in the Collatz problem}},
  journal   = {{J. of South-Central University for the Nationalities, Natural Science Ed. [Zhong nan min zu da xue xue bao. Zi ran ke xue ban]}},
  year      = {{2000}},
  volume    = {{19}},
  pages     = {{59--61}},
}