2018 http://localhost:8080/xmlui/handle/123456789/926 2026-04-13T11:21:08Z 2026-04-13T11:21:08Z Spectroscopy 2 http://localhost:8080/xmlui/handle/123456789/927 2022-08-31T10:11:40Z 2018-05-01T00:00:00Z Spectroscopy 2 2018-05-01T00:00:00Z