@misc{_Sympozjum,
 howpublished={online},
 publisher={Technical University of Lodz. Department of Strength of Materials and Structures.},
 language={pol, eng},
 type={electronic document},
 type={e-conference proceedings},
 title={Sympozjum Stateczności Konstrukcji (13 ; 2012 ; Zakopane)},
 title={Proceedings of Stability of Structures XIII-th Symposium : Zakopane, September, 17-21, 2012},
}