search query: @instructor Pitkänen, J. / total: 3
references: 1-3 / 3
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title | year | author | ||
1. | 1964 | Suomi, Matti |
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2. | 1963 | Söderlin, Pentti |
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3. | 1962 | Leppänen, Harri |
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INSSI
title | year | author | ||
1. | 1964 | Suomi, Matti |
||
2. | 1963 | Söderlin, Pentti |
||
3. | 1962 | Leppänen, Harri |