Light, photometry and illumination : a thoroughly rev. ed. of Electrical illuminating engineering 2026-02-15T21:13:02+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Barrows, William Edward, 1878-1960 (McGraw-Hill Book Co., 1912)