@book{ BA07115751,
  author    = "Eckert, Georg and Schüddekopf, Otto Ernst and Internationales Schulbuchinstitut an der Kant-Hochschule Braunschweig",
  title     = "Schriftenreihe des Internationalen Schulbuchinstituts",
  publisher = "A. Limbach",
  year      = "",
  URL       = "http://ci.nii.ac.jp/ncid/BA07115751"
}