search query: @keyword Biogas / total: 16
references: 11-16 / 16
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title | year | author | ||
11. | 2011 | Wahlström, Stella |
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12. | 2010 | Haverinen, Henna |
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13. | 2010 | Sipilä, Anu |
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14. | 2010 | Khan, Murad Hossain |
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15. | 2007 | Kastarinen, Laura |
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16. | 2003 | Kuivanen, Jari |
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