@article{Wojciechowski:2016,
  author  = "M. Wojciechowski and B. Brzostowski and G. Kamieniarz",
  title   = "Applicability of the DFT augmented symmetry approach to simulations of the chromium-based rings: cross-validation using the PBE functional",
  journal = "Computational Methods in Science and Technology",
  volume  = "Vol. 22",
  number  = "no. 2",
  pages   = "109--121",
  year    = "2016",
}