^Theodossiev, Nikola (2010). "Thrace". In Gagarin, Michael (ed.). The Oxford Encyclopedia of Ancient Greece and Rome. Vol. 1. Oxford University Press. p. 55. ISBN978-0-19-517072-6. Retrieved 22 December 2013.
^Kurt W. Treptow and Ioan Bolovan in “A history of Romania - East European Monographs”, 1996, ISBN9780880333450, page 17 "..Two inscriptions discovered at Histria indicate that Geto-Dacian rulers (Zalmodegikos and later Rhemaxos) continued to exercise control over that city-state around 200 BC ...."
