Effective methods for renovating operational ventilation shafts in the St. Petersburg metro - PDF (Russian)
Copyright (c) 2025 Kozin Е.G., Ledyaev A.P., Burin D.L.
This work is licensed under a Creative Commons Attribution 4.0 International License.
Copyright (c) 2025 Kozin Е.G., Ledyaev A.P., Burin D.L.
This work is licensed under a Creative Commons Attribution 4.0 International License.