@article{Holtzer:2017,
  author  = "M. Holtzer and A. Bydałek and W. Wołczyński and A. Kmita",
  title   = "Assessment of the Harmfulness of the Slags from Copper Smelting Processes, in an Aspect of their Management",
  journal = "Archives of Foundry Engineering",
  volume  = "Vol. 17",
  number  = "iss. 3",
  pages   = "191--195",
  year    = "2017",
}