00708naa#a2200193#i#450# EN\\bibl\119764 20260702081028.4 1815-588X 20250321b2025####ek#y0engy0150####ca RU Engineering Survey and Calculations of the Sukharny Tunnel on Lozovo-Sevastopol Railway Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2025 12 с. Journal article local Транспортные тоннели. 624.195 Kavkazskiy Vladimir Nikolaevich Solov'ev Dmitriy Andreevich Solov'ev Roman Andreevich atjournal.ru