Assing, V. 1998: Two new Palaearctic species and two new synonyms of Atrecus Jacquelin du Val (Coleoptera: Staphylinidae, Xantholininae). - Beitr├Ąge Zur Entomologie = Contributions to Entomology 48(2): 343-351 - doi: 10.21248/contrib.entomol.48.2.343-351