Energy in the perspective of geography 2026-02-16T01:17:59+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Guyol, Nathaniel B., 1908- (Foundations of economic geography series, 1971)