Chu J, Steinkellner E.  1997.  The Ontological Problem in Tsoṅ kha pa's prasaṅga Theory: The Establishment or Unestablishment of the Subject (dharmin) of an Argument. Tibetan Studies, Volume 1: Proceedings of the 7th Seminar of the International Association for Tibetan Studies, Graz, 1995. :157-177.