@article{Romankiewicz:2009,
  author  = "R. Romankiewicz and F. Romankiewicz",
  title   = "Influence of modification onthe structure and morphology of fractures of silumin AlSi6Cu4",
  journal = "Archives of Foundry Engineering",
  volume  = "Vol. 9",
  number  = "iss. 2",
  pages   = "13--16",
  year    = "2009",
}