Pekka Vakkari, Mari Rusanen, Juha Heikkinen, Tea Huotari, Katri Kärkkäinen:Patterns of genetic variation in leading-edge populations of Quercus robur: genetic patchiness due to family clusters. In: Tree Genetics & Genomes. Band16, Nr.5, 14.September 2020, ISSN1614-2950, S.73, doi:10.1007/s11295-020-01465-9.
Birgittalaissisaret juhlivat Die Birgittenschwestern feiern: Orden des Allerheiligsten Erlösers 100 Jahre und Turkuer Birgittenschwestern 25 Jahre, am 8.September 2011 (finnisch).
Pekka Vakkari, Mari Rusanen, Juha Heikkinen, Tea Huotari, Katri Kärkkäinen:Patterns of genetic variation in leading-edge populations of Quercus robur: genetic patchiness due to family clusters. In: Tree Genetics & Genomes. Band16, Nr.5, 14.September 2020, ISSN1614-2950, S.73, doi:10.1007/s11295-020-01465-9.