search query: @keyword monitoring / total: 53
references: 52-53 / 53
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title | year | author | ||
52. | 1990 | Piironen, Markku |
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53. | 1981 | Peltonen, Heikki |
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title | year | author | ||
52. | 1990 | Piironen, Markku |
||
53. | 1981 | Peltonen, Heikki |