Heylen, D. J., Jacobs, I., Matthysen, E. ja Madder, M. (2012) ”Comments on article ’First report of Ixodes frontalis (Acari: Ixodidae) in Finland, an example of foreign tick species transported by a migratory bird’ (Memoranda Soc. Fauna Flora Fennica 85:16–19. 2009)”, Memoranda Societatis pro Fauna et Flora Fennica. Saatavissa: https://journal.fi/msff/article/view/7812 (Viitattu: 18heinäkuuta2024).