Bibliography:

• Gsang sngags bla na med pa'i tantra'i don gyi rnam dbye gsal byed.
• 'Khor lo gsum dang rig 'dzin sngags kyi sde snod bcas pa'i don bsdus.
• Legs bshad gtam gyi sbyor ba blo gsal mgul rgyan. Source: TBRC.