{"id":"001348031","type":"article","title":"Eine frühkaiserzeitliche Manuballista aus Xanten am Niederrhein","publisher":"Polifemo","publisher-place":"Madrid","pages":"1353-1359","container-title":"Limes XX : XX congreso internacional de estudios sobre la frontera romana","author":[{"family":"Schalles","given":"Hans-Joachim"}],"issued":{"raw":"2009"}}