O. Lanchava and I. Gvencadze, “THE VENTILATION OF BLIND WORKINGS OF WATER—SUPPLY TUNNEL OF HYDRO POWER IN CASE OF GENERATION OF A CARBON DIOXIDE IN THE MASSIF: Print version was published: Mining Journal 2(29), 2012. 70-74”, GS, vol. 3, no. 2, Jun. 2021.