Mair P, de Leeuw J (2010). “A General Framework for Multivariate Analysis with Optimal Scaling: The R Package aspect.” Journal of Statistical Software, 32. doi:10.18637/jss.v031.i09.

Corresponding BibTeX entry:

  @Article{,
    title = {A General Framework for Multivariate Analysis with Optimal
      Scaling: The R Package aspect},
    author = {Patrick Mair and Jan {de Leeuw}},
    journal = {Journal of Statistical Software},
    year = {2010},
    page = {1--23},
    volume = {32},
    issue = {9},
    doi = {10.18637/jss.v031.i09},
  }