References

BhPr, 1, 8, 118.1
  pinākaṃ darduraṃ nāgaṃ vajraṃ ceti caturvidham /Context
BhPr, 1, 8, 120.2
  nāgaṃ tu nāgavadvahnau phūtkāraṃ parimuñcati //Context