search query: @keyword energy performance certificate / total: 3
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title | year | author | ||
2. | 2013 | Pietarila, Elisabeth |
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3. | 2009 | Rostila, Heikki |
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title | year | author | ||
2. | 2013 | Pietarila, Elisabeth |
||
3. | 2009 | Rostila, Heikki |