@article{KuehlingGzikSchneideretal.2003,
  author    = {K{\"u}hling, Matthias and Gzik, Axel and Schneider, Ingo and Tschochner, Bernd},
  title     = {Heavy metal contamination of soils in a mining area in South Africa and its impact on some biotic systems},
  year      = {2003},
  language  = {en}
}