search query: @supervisor Laakso, O. / total: 3
references: 1-3 / 3
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title | year | author | ||
1. | 1961 | Karinkanta, T. S. Ilmari |
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2. | 1960 | Jokinen, Jorma |
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3. | 1960 | Hellgren, Esa |
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