@article{OberauerKliegl2001,
  author    = {Oberauer, Klaus and Kliegl, Reinhold},
  title     = {Beyond resources : formal models of complexity effects in age differences in working memory},
  year      = {2001},
  language  = {en}
}
@article{OberauerDemmrichMayretal.2001,
  author    = {Oberauer, Klaus and Demmrich, Anke and Mayr, Ulrich and Kliegl, Reinhold},
  title     = {Dissociating retention and access in working memory : an age-comparative study of mental arithmetic},
  year      = {2001},
  language  = {en}
}