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