@article{Mimuro2001,
  author    = {{Mimuro, Tomoaki}},
  title     = {{On certain simple cycles of the Collatz conjecture}},
  journal   = {{SUT Journal of Mathematics}},
  year      = {{2001}},
  volume    = {{37}},
  number    = {{2}},
  pages     = {{79--89}},
  note      = {{MR 2002j:11018}},
}