@InProceedings{Rohatyński:2006,
  author  = "R. Rohatyński and W. Babirecki",
  title       = "A contribution to methodology of engineering calculations",
  booktitle   = "Proceedings of the DESIGN 2006 : 9th International Design Conference; ISBN: 9536313790",
  address     = "Dubrovnik, Chorwacja",
  publisher   = "Zagreb, [brak wydawcy]",
  volume      = "Vol. 1",
  pages       = "323--330",
  editor      = "ed. D.Marianović",
  year        = "2006",
  note        = "tytuł z okładki",
}