Sand and sandstone 2026-02-16T01:35:03+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Pettijohn, F. J. (Francis John), 1904 (Springer-Verlag, 1972)