Mayer, Robert, and Cathy Cantwell. “PIATS 7: Proceedings of the 7th Seminar of the International Association for Tibetan Studies, Graz 1995. 7 Volumes. General Editor Ernst Steinkellner”. Buddhist Studies Review, vol. 17, no. 1, June 2000, pp. 117-24, https://doi.org/10.1558/bsrv.v17i1.14577.