Elements of physical geography 2026-02-15T20:42:54+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Strahler, Arthur Newell, 1918; Strahler, Alan H. (Wiley, 1976)