@inproceedings{MTK1995bC,
  author = {Alistair Moffat and Andrew Turpin and Jyrki Katajainen},
  title = {Space-efficient construction of optimal prefix codes},
  booktitle = {Proceedings of the 5th IEEE Data Compression Conference},
  publisher = {IEEE Computer Society Press},
  year = {1995},
  pages = {192--201},
}