The defence of Long Walls of Th race (Μακρά Τείχη τῆς Θρᾴκης) under Justinian the Great (527–565 A.D.)

Autor: Wiewiorowski, Jacek
Zdroj: Bulgaria Mediaevalis. 3(1):273-286
Databáze: Central and Eastern European Online Library (CEEOL)