search query: @keyword emission trading / total: 4
references: 1-4 / 4
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title | year | author | ||
1. | 2009 | Ala-Fossi, Susanna |
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2. | 2008 | Lindroos, Tomi |
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3. | 2004 | Liski, Frans |
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4. | 2004 | Routama, Esko |
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