2020 http://localhost:8080/xmlui/handle/123456789/2242 2026-06-15T14:53:29Z 2026-06-15T14:53:29Z OPTICS AND SOLID STATE PHYSICS MGU http://localhost:8080/xmlui/handle/123456789/2243 2022-03-14T09:41:06Z 2020-01-01T00:00:00Z OPTICS AND SOLID STATE PHYSICS MGU 2020-01-01T00:00:00Z