search query: @keyword ympäristötestaus / total: 4
references: 3-4 / 4
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| title | year | author | ||
| 3. | 2000 | Kass, Patrik |
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| 4. | 1990 | Nissinen, Petri |
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INSSI
| title | year | author | ||
| 3. | 2000 | Kass, Patrik |
||
| 4. | 1990 | Nissinen, Petri |