{"id":"000904525","type":"book","title":"Sistema de construcción de los campos atrincherados romanos, según el de Navalcaballo (Soria)","publisher-place":"Madrid","container-title":"Las Ciencias, 4,1 (1939","author":[{"family":"Taracena Aguirre","given":"Blas"}],"issued":{"raw":"1939"}}