@article{Piontek:2012,
  author  = "M. Piontek and K. Łuszczyńska and Z. Fedyczak",
  title   = "The complexes of antibiotics with trace metals",
  journal = "Civil and Environmental Engineering Reports",
  volume  = "No. 8",
  pages   = "47--59",
  year    = "2012",
  note    = "University of Zielona Góra Press, Zielona Góra",
}