00637naa#a2200181#i#4500001001900000005001700019011001400036100004100050102000700091200013500098210004100233215001000274608002700284675006900311700002800380700003100408856001600439EN\RIOR\bibl\5098920241123184655.6##a2308-0191##a20220627b2022####ek#y0engy0150####ca##aRU1#aStructural analysis of labor costs in the construction of tunnels by open, closed methods and the TOP DOWN methodeJournal article1#aMoscowcPublishing Center RIORd2022##a4 с.##aJournal article2local##aГидротехническое строительство. 626#1aKorolgElena Anatolevna#1aChipovagZarina Khusenovna4#ariorpub.com