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Helmersen, 1841a
Erläuterungen zu der Übersichtskarte der Gebirgsformationen in Europäischen Russland
Helmersen, G. P.
| Year | 1841 |
|---|---|
| Publisher place | St. Peterburg |
| Pages | 1-32 |
| Type | book |
| Language | German |
| Id | 10873 |
Last change: 29.8.2019
| Year | 1841 |
|---|---|
| Publisher place | St. Peterburg |
| Pages | 1-32 |
| Type | book |
| Language | German |
| Id | 10873 |