Operations research; implications for libraries : the thirty-fifth annual conference of the Graduate Library School, August 2-4, 1971 2026-02-16T02:13:34+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Bookstein, Abraham, 1940-; Swanson, Don Richard, 1924- (The University of Chicago studies in library science, 1972)