@article{Płuciennik-Koropczuk:2013,
  author  = "E. Płuciennik-Koropczuk and Z. Sadecka and S. Myszograj",
  title   = "COD fractions in raw and mechanically treated wastewater",
  journal = "Civil and Environmental Engineering Reports",
  volume  = "No. 11",
  pages   = "101--113",
  year    = "2013",
  note    = "University of Zielona Góra Press, Zielona Góra",
}