Theology and philosophy in the twelfth century : a study of Gilbert Porreta's thinking and the theological expositions of the doctrine of the Incanation during the period 1130-1180 - Nielsen, Lauge Olaf 1951- (Leiden E. J. Brill, 1982)
Keywords: Gilberto Porretano -- ca. 1075-1154; Encarnación de Cristo -- -Historia