Registri loend: Google Scholar profiil
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- https://scholar.google.fi/citations?hl=en&user=C6WYTcIAAAAJ&view_op=list_works&sortby=pubdate (1)
- https://scholar.google.fi/citations?user=6QAMUzgAAAAJ&hl=fi (1)
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- https://scholar.google.fr/citations?user=6RpMuSQAAAAJ&hl=en (1)
- https://scholar.google.fr/citations?user=etoYThMAAAAJ&hl=en (1)
- https://scholar.google.fr/citations?user=jEDkpaUAAAAJ&hl=en (1)
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- https://scholar.google.it/citations?user=1a3nW9YAAAAJ&hl=it (1)
- https://scholar.google.it/citations?user=gANPJDgAAAAJ&hl=en (1)
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Kirjeid leitud 1209, kuvan
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