HÆGGSTRÖM, C.-A. Societas pro Fauna et Flora Fennica – 200 years. A survey of the activities 1997–2021. Memoranda Societatis pro Fauna et Flora Fennica, [S. l.], v. 98, n. Supplement 2, p. 59–70, 2022. Disponível em: https://journal.fi/msff/article/view/125171. Acesso em: 29 maalis. 2024.