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Articles | Volume 5, issue 1
https://doi.org/10.5194/gh-5-47-1950
https://doi.org/10.5194/gh-5-47-1950
31 Dec 1950
 | 31 Dec 1950

Der XVI. Internationale Geographenkongress in Lissabon 1949 : Organisation und offizielle Exkursionen

O. Widmer and M. Geschwend
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