Articles | Volume 15, issue 2
Geogr. Helv., 15, 86–101, 1960
https://doi.org/10.5194/gh-15-86-1960
Geogr. Helv., 15, 86–101, 1960
https://doi.org/10.5194/gh-15-86-1960

  30 Jun 1960

30 Jun 1960

Mannheim - Ludwigshafen

G. Ammann G. Ammann

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