search query: @author Koppinen, Jaakko / total: 2
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| title | year | author | ||
| 1. | 1996 | Koppinen, Jaakko |
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| 2. | 1975 | Koppinen, Jaakko |
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| title | year | author | ||
| 1. | 1996 | Koppinen, Jaakko |
||
| 2. | 1975 | Koppinen, Jaakko |