Phur-pa texts of the Byaṅ-gter tradition : a collection of Vajrakīla teachings from the revelations of Rgod-kyildem-ʼphru-can / with liturgical presentations by ʼPhrin-las-bdud-ʼjoms, Rdo-brag Padma-phrin-las, and the 5th Dalai Lama Ṅag-dbaṅ-blo-bzaṅ-rgya-mtsho