search query: @instructor Helenelund, Christer / total: 2
references: 1-2 / 2
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title | year | author | ||
1. | 1994 | Ketola, Petri |
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2. | 1993 | Tallgren, Antti |
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title | year | author | ||
1. | 1994 | Ketola, Petri |
||
2. | 1993 | Tallgren, Antti |