Principles of physics 2026-02-15T15:39:07+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Walker, Jearl, 1945 (Wiley ; John Wiley [distributor], 2011)