search query: @supervisor Rikkonen, Harri / total: 23
references: 22-23 / 23
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title | year | author | ||
22. | 1974 | Keihäri, Eero |
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23. | 1974 | Haartman, Jan von |
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INSSI
title | year | author | ||
22. | 1974 | Keihäri, Eero |
||
23. | 1974 | Haartman, Jan von |