00725naa#a2200181#i#450# EN\\bibl\65771 20250712223416.6 1815-588X 20230620b2023####ek#y0engy0150####ca RU Dependence of Hydraulic Characteristics of Gravity Sewer Pipelines on the Method of Trenchless Repair Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2023 8 с. Journal article local Канализация. Канализационные сооружения и системы. 628.2 Petrov Vladimir Mihaylovich Terehov Lev Dmitrievich brni.editorum.ru