search query: @keyword kaukovalvonta / total: 9
references: 6-9 / 9
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title | year | author | ||
6. | 1991 | Ihatsu, Jari |
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7. | 1989 | Koivuoja, Risto |
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8. | 1986 | Salmelin, Juha |
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9. | 1983 | Heikkilä, Seppo |
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