@article{Seyed_Saleh_Behbahani_Measuring_2013, author={Seyed Saleh Behbahani and Parviz Moarefvand and Kaveh Ahangari and Kamran Goshtasbi}, number={No 2}, howpublished={online}, journal={Archives of Mining Sciences}, year={2013}, publisher={Committee of Mining PAS}, title={Measuring Displacement and Contact Forces Among the Particles in Unloading of Slope by PFC2D (Particle Flow Code) / Pomiary przemieszczeń i sił kontaktu pomiędzy cząstkami materialnymi w trakcie wybierania wyrobiska pochyłego przy pomocy programu PFC2D}, doi={10.2478/amsc-2013-0033}, }