@article{FreilinghausKocmitBorketal.1998,
  author    = {Freilinghaus, Monika and Kocmit, A. and Bork, Hans-Rudolf and Schmidt, R.},
  title     = {Tolerierbarer Bodenabtrag : Grenzen seiner Anwendbarkeit},
  year      = {1998},
  language  = {de}
}
@article{SchmidtBork1999,
  author    = {Schmidt, R. and Bork, Hans-Rudolf},
  title     = {Pal{\"a}ob{\"o}den : Einf{\"u}hrung in das Exkursionsgebiet ; physisch-geographische Rahmenbedingungen},
  issn      = {0943-7266},
  year      = {1999},
  language  = {de}
}