{"id":"003058487","type":"book","title":"El 'tributum quadragesimale'","publisher":"Presses Universitaires de France","publisher-place":"[Paris","pages":"645-658","container-title":"Mélanges f'histoire du Moyen âge dédiés à la mémoire de Louis Halphen (1951","author":[{"family":"Sánchez Albornoz","given":"Claudio"}],"issued":{"raw":"1951"}}