@misc{Seiler1989,
  author    = {Hansjakob Seiler},
  title     = {A dimensional view on numeral systems},
  booktitle = {K{\"o}lner Universalienprojekt: Arbeiten des K{\"o}lner Universalien-Projekts ; Nr. 79},
  series    = {Arbeiten des K{\"o}lner Universalien-Projekts : akup},
  number    = {79},
  type      = {workingpaper},
  pages     = {37},
  year        = {1989},
}