Registri loend: Google Scholar profiil
- https://scholar.google.it/citations?user=gANPJDgAAAAJ&hl=en (1)
- https://scholar.google.it/citations?user=hLUmTDcAAAAJ&hl=en (1)
- https://scholar.google.it/citations?user=iVjj1GwAAAAJ&hl=it (1)
- https://scholar.google.nl/citations?user=5ssW150AAAAJ&hl=en (1)
- https://scholar.google.nl/citations?user=g7hyIVMAAAAJ&hl=en (1)
- https://scholar.google.no/citations?user=PLSocMEAAAAJ&hl=en (1)
- https://scholar.google.no/citations?user=Y9cImh8AAAAJ&hl=en&oi=ao (1)
- https://scholar.google.ro/citations?hl=en&user=cd9TsUsAAAAJ (1)
- https://scholar.google.ru/citations?user=BJTVSOIAAAAJ&hl=ru (1)
- https://scholar.google.ru/citations?user=z0itRfEAAAAJ&hl=ru (1)
- https://scholar.google.se/citations?user=iTffHPQAAAAJ&hl=en (1)
- https://scholar.google.se/citations?user=uXWalaoAAAAJ&hl=sv (1)
Kirjeid leitud 1087, kuvan
1076 - 1087