Väisänen, Rauno, Kari Heliövaara, and Päivö Somerma. “Wing Variation of Maculinea Arion (Linnaeus) in Finland (Lepidoptera, Lycaenidae)”. Entomologica Fennica 5, no. 3 (September 1, 1994): 139–146. Accessed July 28, 2024. https://journal.fi/entomolfennica/article/view/83809.