KOPONEN, S.; NIEMELÄ, P. Johann Friedrich Gustav von Eschscholtz – a pioneer naturalist and explorer of the Pacific Islands and Western North America. Memoranda Societatis pro Fauna et Flora Fennica, [S. l.], v. 96, p. 57–64, 2020. Disponível em: https://journal.fi/msff/article/view/101267. Acesso em: 23 huhti. 2024.