@ARTICLE{Kortas_Grzegorz_Deformations_2014, author={Kortas, Grzegorz and Maj, Agnieszka}, number={No 4}, journal={Archives of Mining Sciences}, howpublished={online}, year={2014}, publisher={Committee of Mining PAS}, title={Deformations of the Protection Shelf in the “Wapno” Salt Mine, Based on Model Studies}, URL={http://www.czasopisma.pan.pl/Content/93684/PDF/10267-Volume59_Issue4-02_paper.pdf}, doi={10.2478/amsc-2014-0060}, }