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DSpace Collection: http://localhost:80/xmlui/handle/123456789/3045 Sun, 19 Apr 2026 21:22:35 GMT 2026-04-19T21:22:35Z Introduction to the theory of Relativity. http://localhost:80/xmlui/handle/123456789/3046 Title: Introduction to the theory of Relativity. Authors: Bergmann, Peter Gabriel Thu, 01 Jan 1942 00:00:00 GMT http://localhost:80/xmlui/handle/123456789/3046 1942-01-01T00:00:00Z