@ARTICLE{Gholamreza_Saeedi_Estimating_2013, author={Gholamreza Saeedi and Korosh Shahriar and Bahram Rezai}, number={No 3}, journal={Archives of Mining Sciences}, howpublished={online}, year={2013}, publisher={Committee of Mining PAS}, title={Estimating Volume of Roof Fall in the Face of Longwall Mining by Using Numerical Methods / Estymacja Objętości Zawału Stropu W Rejonie Przodka Ścianowego W Oparciu O Metody Numeryczne}, URL={http://ochroma.man.poznan.pl/Content/93247/PDF/10267-Volume58_Issue3-12_paper.pdf}, doi={10.2478/amsc-2013-0053}, }