search query: @supervisor Heiskanen, Ossi / total: 84
references: 83-84 / 84
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| title | year | author | ||
| 83. | 1969 | Hautala, Martti |
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| 84. | 1967 | Nikupeteri, Matti |
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INSSI
| title | year | author | ||
| 83. | 1969 | Hautala, Martti |
||
| 84. | 1967 | Nikupeteri, Matti |