@article{Czyżewska:2020,
  author  = "W. Czyżewska and M. Piontek and K. Łuszczyńska",
  title   = "The Occurrence of Potential Harmful Cyanobacteria and Cyanotoxins in the Obrzyca River (Poland), a Source of Drinking Water",
  journal = "Toxins",
  volume  = "Vol. 12",
  number  = "iss. 5",
  pages   = "1--16",
  year    = "2020",
}