search query: @keyword Päästökauppa / total: 22
references: 21-22 / 22
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| title | year | author | ||
| 21. | 2003 | Aho, Ilkka |
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| 22. | 2003 | Kotila, Janne |
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INSSI
| title | year | author | ||
| 21. | 2003 | Aho, Ilkka |
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| 22. | 2003 | Kotila, Janne |