@misc{Seiler1975,
  author    = {Hansjakob Seiler},
  title     = {Language universals and interlinguistic variation},
  booktitle = {K{\"o}lner Universalienprojekt: Arbeiten des K{\"o}lner Universalien-Projekts ; Nr. 18},
  series    = {Arbeiten des K{\"o}lner Universalien-Projekts : akup},
  number    = {18},
  type      = {workingpaper},
  pages     = {14},
  year        = {1975},
}