search query: @author Koch, Frank A. / total: 4
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| title | year | author | ||
| 4. |
Methodik
1992 : 1, p. 36-38 |
1992 | Koch, Frank A. |
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| title | year | author | ||
| 4. |
Methodik
1992 : 1, p. 36-38 |
1992 | Koch, Frank A. |