search query: @keyword maintenance / total: 107
references: 106-107 / 107
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title | year | author | ||
106. | 1988 | Simojoki, Antti |
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107. | 1980 | Räty, Juha |
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INSSI
title | year | author | ||
106. | 1988 | Simojoki, Antti |
||
107. | 1980 | Räty, Juha |