@article{Kohl2008a,
  author    = {{Stefan Kohl}},
  title     = {{On conjugates of Collatz-type mappings}},
  journal   = {{Int. J. Number Theory}},
  year      = {{2008}},
  volume    = {{4}},
  number    = {{1}},
  pages     = {{117--120}},
  note      = {{MR 2008m: 11055}},
}