@book{SchaarschmidtRickenKieschkeetal.2004,
  author    = {Schaarschmidt, Uwe and Ricken, Gabi and Kieschke, Ulf and Preuß, Ulrich},
  title     = {Bildbasierter Intelligenztest f{\"u}r das Vorschulalter : BIVA},
  publisher = {Hogrefe},
  address   = {G{\"o}ttingen},
  pages     = {77 S.},
  year      = {2004},
  language  = {de}
}
@article{SchaarschmidtKieschke2004,
  author    = {Schaarschmidt, Uwe and Kieschke, Ulf},
  title     = {Differentielle Psychologie im Arbeits- und Berufsbereich},
  isbn      = {3-8017-0534-X},
  year      = {2004},
  language  = {de}
}