The principles of alternating currents, for students of electrical engineering 2026-02-16T08:04:07+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Larner, Edgar T (Methuen, Milton Keynes, Open University Press, 2012)