search query: @supervisor Laapotti, Jaakko / total: 125
references: 123-125 / 125
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| title | year | author | ||
| 123. | 1971 | Paasi, Jyrki |
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| 124. | 1970 | Karhunen, Jukka |
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| 125. | 1970 | Vormala, Timo |
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