Template:Kesküla & Luig, 1997
- Kesküla, T. & Luig, J., 1997. Phenology and distribution of the Clouded Apollo Parnassius mnemosyne (Linnaeus, 1758) in Estonia, with the description of a new subspecies from south-eastern Estonia (Lepidoptera, Papilionidae). Atalanta 28(1-2): 17–20. Full article ( PDF).