Astronomy, structure of the universe 2026-02-16T20:30:41+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Roy, A.; Clarke, D. (David), 1936- (A. Hilger, 1977)