Tali, Naser, Gholam Reza Lashkaripour, Mohamad Ghafoori, and Naser Hafezimoghadas. 2014. “Problems of Mechanized Tunneling In Gassy Ground Conditions a Case Study: Nousoud Water Transmission Tunnel”. International Journal of Geography and Geology 3 (8):101-13. https://doi.org/10.18488/journal.10/2014.3.8/10.8.101.113.