@article{Krupińska:2011,
  author  = "I. Krupińska",
  title   = "Potassium permanganate as an oxidizing and flocculating agent in groundwater treatment",
  journal = "Civil and Environmental Engineering Reports",
  volume  = "No. 6",
  pages   = "75--88",
  year    = "2011",
  note    = "University of Zielona Góra Press, Zielona Góra",
}