00690naa#a2200181#i#4500001001600000005001700016011001400033100004100047102000700088200010800095210010100203215001100304608002700315675007800342700003000420700003700450856002100487EN\\bibl\10004220250621114557.6##a1815-588X##a20250619b2025####ek#y0engy0150####ca##aRU1#aOn Restoring Cantilever Stone Staircases in the Architecture of St. Petersburg. Part 1eJournal article1#aSaint-PetersburgcFSBEI HE "Emperor Alexander I St. Petersburg State Transport University"d2025##a21 с.##aJournal article2local##aЛестницы. Пандусы. Лифты. Эскалаторы. 692.6#1aWebergMikhail Davidowich#1aKuznecovgAnatoliy Vsevolodovich4#abrni.editorum.ru