Origeniana octava : Origen and the Alexandrian tradition = Origene e la tradizione alessandrina : papers of the 8th International Origen Congress, Pisa, 27-31 August 2001 - Perrone, Lorenzo 1946-; Marchini, Diego; Bernardino, Paolo; International Origen Congress (Bibliotheca Ephemeridum Theologicarum Lovaniensium (Peeters) Bibliotheca Ephemeridum Theologicarum Lovaniensium (Leuven University Press), 2003)