00725naa#a2200169#i#450# EN\\bibl\126787 20260701132607.3 1815-588X 20260630b2026####ek#y0engy0150####ca RU Comparative Analysis of Aerial, Mobile and Terrestrial Laser Scanning Technologies for Railway Track Diagnostics: Selection Criteria Based on Accuracy, Productivity and Operational Constraints Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2026 9 с. Journal article local Осмотр и контроль пути. 625.171 Chesnovich Fedor Vladimirovich itt-pgups.ru