Bronzovi vladetelski moneti, otsečeni prez 4-3 v. pr. Hr. v Dionisopolis i Odesos. (Bronze rulers coins minted in 4th-3rd c. B.C. in Dionysopolis and Odessos) - Lazarenko, Igor (Izvestija na Narodnija Muzej - Varna, 40 (2004), 2004)