search query: @instructor Kallio, Pentti / total: 5
references: 4-5 / 5
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title | year | author | ||
4. | 1987 | Laurila, Heikki |
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5. | 1979 | Kallioniemi, Pekka |
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title | year | author | ||
4. | 1987 | Laurila, Heikki |
||
5. | 1979 | Kallioniemi, Pekka |