Mikhail L. Danilevsky: Purpuricenus kaehleri (Linnaeus, 1758) and P. caucasicus Pic, 1902 (Coleoptera, Cerambycidae) in Caucasus. In: Studies and reports of District Museum Prague-East Taxonomical Series Vol. 3, No. 1-2, 2007, S. 32–35. (Online; PDF; 3,7 MB)
