@ARTICLE{Krach_Andrzej_Determining_2014, author={Krach, Andrzej}, number={No 4}, journal={Archives of Mining Sciences}, howpublished={online}, year={2014}, publisher={Committee of Mining PAS}, title={Determining Diagonal Branches in Mine Ventilation Networks}, URL={http://journals.pan.pl/Content/93742/PDF/10267-Volume59_Issue4-18_paper.pdf}, doi={10.2478/amsc-2014-0076}, }