Sobisch 2006
Sobisch, Jan-Ulrich (2006): Guru-devotion in the Bka‘Brgyud pa tradition: The single means to realization. In: Roger R. Jackson / Matthew T. Kapstein (eds): Mahāmudrā and the Bka’-Brgyud tradition (PIATS 2006: Tibetan Studies: Proceedings of the Eleventh Seminar of the International Association for Tibetan Studies, Königswinter 2006.)