search query: @keyword Protection / total: 25
references: 21-25 / 25
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title | year | author | ||
21. | 1993 | Alha, Lauri |
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22. | 1992 | Haikonen, Juha |
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23. | 1991 | Lemström, Bettina |
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24. | 1990 | Piironen, Markku |
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25. | 1989 | Kouti, Tuomo |
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