2010 Slow Worm, Anguis fragilis (Reptilia: Anguidae) as a species complex: Genetic structure reveals deep divergences.

Gvoždík, V., Jandzik, D., Lymberakis, P., Jablonski, D., Moravec, J. (2010) Slow Worm, Anguis fragilis (Reptilia: Anguidae) as a species complex: Genetic structure reveals deep divergences. Mol. Phyl. Evol., 55(2), 460–472.