@article{Szajna:2005,
  author  = "W. Szajna",
  title   = "Numerical analysis of steel-reinforced concrete composite girders",
  journal = "Civil and Environmental Engineering Reports : Special issue on the occasion of 70th birtday of prof. Romuald Świtka",
  volume  = "no 1",
  pages   = "261--272",
  year    = "2005",
  note    = "University of Zielona Góra Press, Zielona Góra",
}