4.
Dębkowski R., Madziarz M., Sawicki W., Osadczuk T., 2007, Tests of changes in loads of expansion anchors as a result of seismic shocks (in polish), Geotechnics in building and mining industry, Scientific Works of Institute of Geotechnics and Hydrotechnics Wrocław University of Technology, Conferences, No. 42, Wrocław University of Technology Printing House. pp. 678-687.