{"id":"001004674","type":"book","title":"The role of the free people in the antiquity and in the Middle Ages","publisher-place":"Serdicae","pages":"233-246","container-title":"Thracia. 12. Studia in honorem Christo M. Danov","author":[{"family":"Nedelčev","given":"Nedelčo"}],"issued":{"raw":"1998"}}