@book{ BA69293089,
  author    = "Sarahapāda, 8th cent. and Kr̥ṣṇavajrapāda, 11th cent. and Tillopāda and Jackson, Roger Reid",
  title     = "Tantric treasures : three collections of mystical verse from Buddhist India",
  publisher = "Oxford University Press",
  year      = "2004",
  URL       = "https://ci.nii.ac.jp/ncid/BA69293089"
}