@article{6507,
  author       = {{Fettig, Joachim}},
  journal      = {{Water science and technology}},
  number       = {{9}},
  pages        = {{173 -- 182}},
  title        = {{{Removal of Humic Substances by Adsorption/Ion Exchange}}},
  volume       = {{40}},
  year         = {{1999}},
}