{"id":"001003438","type":"book","title":"The stone fortifications near Nova Černa (Bulgaria)","publisher":"Vavila Edinf SRL","publisher-place":"Bucharest","pages":"157-167","container-title":"The Roman frontier at the Lower Danube, 4th-6th centuries. The 2nd International Symposium (Murighiol/Halmyris, 18-24. august 1996","author":[{"family":"Torbatov","given":"Sergey"}],"issued":{"raw":"1998"}}