A concise encyclopedia of astronomy 2026-02-16T06:37:45+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Weigert, A. (Alfred), 1927-; Zimmermann, Helmut (American Elsevier Pub. Co., 1976)