Mechanical engineering for beginners. 2026-02-15T18:54:52+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - MLaren, R. S. (Methuen, Milton Keynes, Open University Press, 2011)