Khokerashvili, Z., & Tsanava, D. (2022). Propagation of carbon monoxide in road tunnels in case of fire by considering the critical velocity, backlayering and gradient factor : Print version was published: Book of Abstract, The International Scientific and Technical Conference: "Problems of Engineering Sciences " Yerevan University of International Relations named after A. Shirakatsi Yerevan - Republic of Armenia, May 20-22, 2022. Georgian Scientists, 4(3), 63–65. https://doi.org/10.52340/gs.2022.04.03.07