David Frankfurter, Dynamics of Ritual Expertise in Antiquity and Beyond: Towards a New Taxonomy of 'Magicians'," in Magic and Ritual in the Ancient World, ed.
David Frankfurter, Dynamics of Ritual Expertise in Antiquity and Beyond: Towards a New Taxonomy of 'Magicians'," in Magic and Ritual in the Ancient World, ed. P. Mirecki and M. Meyer (Leiden: Brill, 2002), 159–78.