The Penguin Dictionary of geology 2026-02-16T03:25:04+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Whitten, D. G. A., 1921-; Brooks, J. R. V. (Penguin reference books, 1972)