search query: @keyword voitelu / total: 12
references: 11-12 / 12
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title | year | author | ||
11. | 2001 | Herrala, Ilkka |
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12. | 1997 | Virtanen, Juha |
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INSSI
title | year | author | ||
11. | 2001 | Herrala, Ilkka |
||
12. | 1997 | Virtanen, Juha |