@InProceedings{Bryś:2000,
  author  = "G. Bryś and A. Matysiak and E. Grochowska",
  title       = "Composite, Prestressed-expanded, steel-concrete beams",
  booktitle   = "Ocel'ove konstrukcie a mosty 2000 : 19 Ceska a Slovenska Medzinarodna Konferencia : Zbornik referatov",
  address     = "Strbske Pleso Vysoke Tatry, Słowenia",
  publisher   = "Strbske Pleso, [brak wydawcy]",
  pages       = "335--339",
  year        = "2000",
}