{"id":"003008227","type":"book","title":"Poliorkia kai alosis tes Konstantinoupoleos upo ton tourkon (ten 29 Maiou 1453)","publisher":"Μιχαηλ Σαλιβερου","publisher-place":"en Athenais","author":[{"family":"Sphrantzes","given":"Georgios 1401- 1477"}],"issued":{"raw":"1912"}}