00749naa#a2200193#i#450# EN\\bibl\119225 20260415102353.3 1815-588X 20260331b2026####ek#y0engy0150####ca RU Enhancement of hydraulic calculations for metallic water pipelines within the GRIT software Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2026 6 с. Journal article local Засорение и повреждение трубопроводов. 628.27 Prodous Oleg Aleksandrovich Yakubchik Petr Petrovich Balashov Sergey Sergeevich izvestiapgups.editorum.ru