Tibetan Renaissance: Tantric Buddhism in the Rebirth of ...
Ronald M. Davidson
sgam po pa'i rnam thar, pp. 55-56. 22. sGam po pa gsung 'bum, vol. 1, p. 402.5; mNyam med sgam po pa'i rnam thar, p. 98; this period of thirteen months is expanded to forty months in dKar brgyud gser 'phreng, p. 320. 23. 'Brug pa'i chos ...