- Year: 1937
- Volume: 30/1-2
- pag: 33
- Category: Verschiedenes
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- Year: 1935
- Volume: 29/3-4
- pag: 292
- Category: Gestein und Boden
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|
- Year: 1935
- Volume: 29/3-4
- pag: 238
- Category: Verschiedenes
-
|
- Year: 1935
- Volume: 29/3-4
- pag: 252
- Category: Verschiedenes
-
|
- Year: 1939
- Volume: 31/2
- pag: 286
- Category: Verschiedenes
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