A revolution in the earth sciences: from continental drift to plate tectonics 2026-02-15T19:41:46+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Hallam, A. (Anthony), 1933 (Clarendon Press, 1973)