search query: @supervisor Verkkola, T. R. / total: 37
references: 35-37 / 37
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title | year | author | ||
35. | 1955 | Holmlund, Wiking |
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36. | 1955 | Suonio, Jukka |
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37. | 1955 | Järvinen, Tapio T. A. |
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