@article{Płuciennik-Koropczuk:2019,
  author  = "E. Płuciennik-Koropczuk and S. Myszograj",
  title   = "New Approach in COD Fractionation Methods",
  journal = "Water",
  volume  = "Vol. 11",
  pages   = "1--12",
  year    = "2019",
}