search query: @supervisor Niskanen, Erkki / total: 43
references: 39-43 / 43
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title | year | author | ||
39. | 1962 | Malmgren, Harri |
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40. | 1962 | Siivonen, Erkki |
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41. | 1961 | Manner, Aarno |
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42. | 1960 | Kajan, Seppo |
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43. | 1959 | Siimes, Olli |
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