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A.  Lapeva-Gjonova, ?Ants (Hymenoptera, Formicidae) from Western Rhodope Mountains (Bulgaria)?, in Beron P. (ed.). Biodiversity of Bulgaria 4. Biodiversity of Western Rhodopes (Bulgaria and Greece), vol. II, Sofia: Pensoft & Nat. Mus. Natur. Hist., 2011.

A.  Lapeva-Gjonova, Antonova, V., Radchenko, A. G., and Atanasova, M., ?Catalogue of the ants (Hymenoptera, Formicidae) of Bulgaria?, ZooKeys, vol. 62, p. 124, 2010.