@article{Kołodziejczyk:2012,
  author  = "U. Kołodziejczyk and M. Ćwi±kała and A. Widuch",
  title   = "Use of fly-ash for the production of hydraulic binding agents and for soil stabilisation",
  journal = "Gospodarka Surowcami Mineralnymi",
  volume  = "T. 28",
  number  = "z. 4",
  pages   = "15--28",
  year    = "2012",
}