{"id":"001003435","type":"book","title":"\"Tour de force\", an experimental catapult/ballista","publisher":"Vavila Edinf SRL","publisher-place":"Bucharest","pages":"131-139","container-title":"The Roman frontier at the Lower Danube, 4th-6th centuries. The 2nd International Symposium (Murighiol/Halmyris, 18-24. august 1996","author":[{"family":"Anstee","given":"John"}],"issued":{"raw":"1998"}}