Man and his physical environment : readings in environmental geology 2026-02-16T15:31:25+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - McKenzie, Garry D.; O. Utgard, Russell (Burgess Publishing Company, 1975)