@ARTICLE{Mahdi_Nekouei_Modified_2013, author={Mahdi Nekouei and Kaveh Ahangari}, number={No 3}, journal={Archives of Mining Sciences}, howpublished={online}, year={2013}, publisher={Committee of Mining PAS}, title={Modified Stability Charts for Rock Slopes Based on the Hoek-Brown Failure Criterion / Zmodyfikowane Diagramy Stabilności Skalistych Zboczy Otrzymane W Oparciu O Warunek Wytrzymałości Hoeka-Browna}, URL={http://journals.pan.pl/Content/93243/PDF/10267-Volume58_Issue3-11_paper.pdf}, doi={10.2478/amsc-2013-0052}, }