Principles of electrical engineering, 2026-02-15T22:04:32+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Pender, Harold, 1879- (Methuen, Milton Keynes, Open University Press, 2011)