{"id":"003039183","type":"article","title":"Grabados rupestres prehistóricos en el centro de la provincia de Salamanca: estudio preliminar","publisher":"Junta Distrital","publisher-place":"[Viseu","pages":"327-343","container-title":"Beira Alta, 47,3/4 (1988","author":[{"family":"López Plaza","given":"S."},{"family":"Martín","given":"A."}],"issued":{"raw":"1988"}}