search query: @instructor Ihalainen, Erkki / total: 2
references: 1-2 / 2
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title | year | author | ||
1. | 1987 | Kohopää, Jyrki |
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2. | 1985 | Oraskari, Risto |
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title | year | author | ||
1. | 1987 | Kohopää, Jyrki |
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2. | 1985 | Oraskari, Risto |