Statistical methods 2026-02-15T17:07:39+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Freund, Rudolf J. (Rudolf Jakob), 1927; Mohr, Donna L; Wilson, William J., 1940- (Elsevier, 2010)