Modern illuminants and illuminating engineering 2026-02-16T01:19:35+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Gaster, Leon, 1872-1928; Dow, John Stewart, 1881- (Macmillan, 2011)