Principles of electrical engineering 2026-02-15T16:38:54+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Timbie, W. H. (William Henry), 1877-; Bush, Vannevar, 1890-1974 (Wiley, 1922)