00637naa#a2200181#i#450# EN\RIOR\bibl\50989 20241123190843.6 2308-0191 20220627b2022####ek#y0engy0150####ca RU Structural analysis of labor costs in the construction of tunnels by open, closed methods and the TOP DOWN method Journal article Moscow Publishing Center RIOR 2022 4 с. Journal article local Гидротехническое строительство. 626 Korol Elena Anatolevna Chipova Zarina Khusenovna riorpub.com