@ARTICLE{Seyed_Saleh_Behbahani_Measuring_2013,
 author={Seyed Saleh Behbahani and Parviz Moarefvand and Kaveh Ahangari and Kamran Goshtasbi},
 number={No 2},
 journal={Archives of Mining Sciences},
 howpublished={online},
 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},
 URL={http://ochroma.man.poznan.pl/Content/93166/PDF/10267-Volume58_Issue2-14_paper.pdf},
 doi={10.2478/amsc-2013-0033},
}