search query: @supervisor Virtanen, Pekka V. / total: 154
references: 153-154 / 154
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title | year | author | ||
153. | 1976 | Heinämies, Jussi |
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154. | 1968 | Lehtinen, Timo |
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INSSI
title | year | author | ||
153. | 1976 | Heinämies, Jussi |
||
154. | 1968 | Lehtinen, Timo |