@article{Borucka-Lipska:2016,
  author  = "J. Borucka-Lipska and W. Kierno┐ycki and N. Guskos and M. Dudek and D. HO and W. Wolak and M. MarŠ and J. Kozio│ and J. Kalaga",
  title   = "On magnetite concentrate grains with respect to their use in concrete",
  journal = "International Journal of Engineering Research & Science (IJOER)",
  volume  = "Vol. 2",
  number  = "iss. 4",
  pages   = "97--103",
  year    = "2016",
}