Cited:
“In fortification and siege warfare, the Serbs could not compete with the Byzantines, who had preserved the Hellenic and Roman traditions of polyorchetics. Even under Stephen Dušan, the Byzantine cities of Macedonia were forced to capitulate more through the devastation of the surrounding area and starvation than through systematic siege.”
Source
Staat und gesellschaft im mittelalterlichen Serbien studien zur kulturgeschichte des 13.-15. jahrhunderts · Volume 1. Konstantin Jireček, Vatroslav Jagić. 1912
