Kobishchanov, Yuriĭ Mikhaĭlovich (1979). Axum (em inglês). [S.l.]: Pennsylvania State University Press, p. 48-49. ISBN9780271005317
Munro-Hay, Stuart. (1991) Aksum: an African Civilization of Late Antiquity; Edinburgh: University Press, p. 75
Identification with the king of Monumentum Adulitanum: Alexander Sima, "GDR(T)", in Siegbert Uhlig, ed., Encyclopaedia Aethiopica: D-Ha (Wiesbaden: Harrassowitz Verlag, 2005), p.719
Citado em S. C. Munro-Hay, Excavations at Aksum: an account of research at the ancient Ethiopian capital directed in 1972-4 by the late Dr Neville Chittick (London: British Institute in East Africa, 1989), p. 23