@article{Michalak:2016,
  author  = "B. Michalak",
  title   = "Steel construction of modern building of former sports hall at Chopin street in Zielona Góra",
  journal = "Civil and Environmental Engineering Reports",
  volume  = "No. 21",
  pages   = "81--88",
  year    = "2016",
  note    = "University of Zielona Góra Press, Zielona Góra",
}