@periodical{UBHD-1075136, organization={National Geographic Society}, title={National geographic}, subtitle={official journal of the National Geographic Society}, publisher={Soc.}, address={Washington, DC}, year={1963-}, language={eng}, issn={0027-9358}, note={Ungez{\"a}hlte Beil.: Special edition}, keywords={Geografie}, library={UB [Signatur: ZSN 7 B] ; UB ; UB ; FG ; SA}, }