Electrical science 2026-02-16T08:11:48+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Gupta, R. B.; Gupta, B. K. (Satya Prakashan, 2003)