search query: @keyword uusiutuvat energialähteet / total: 9
references: 8-9 / 9
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title | year | author | ||
8. | 2010 | Björkman, Vadim |
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9. | 2010 | Kollin, Kalle |
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INSSI
title | year | author | ||
8. | 2010 | Björkman, Vadim |
||
9. | 2010 | Kollin, Kalle |