[1]
Hristov, G.H. and Chobanov, D.P. 2016.

An annotated checklist and key to the Bulgarian cockroaches (Dictyoptera: Blattodea)

. Zootaxa. 4154, 4 (Aug. 2016), 351–388. DOI:https://doi.org/10.11646/zootaxa.4154.4.1.