The earth; an introduction to physical geology 2026-02-15T04:57:55+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Verhoogen, John, 1912- (Holt, Rinehart and Winston, 1970)