GH
Geographica Helvetica
GH
Geogr. Helv.
2194-8798
Geographisch-Ethnographische Gesellschaft Zürich
Göttingen, Germany
10.5194/gh-20-150-1965
Die Geographie als Konzentrationsfach in Schulkolonien
Bösiger
K.
30
09
1965
20
3
150
159
Copyright: © 1965 K. Bösiger
1965
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