References

RRÅ, R.kh., 7, 35.1
  śaṅkhaṃ nīlāñjanaṃ caiva pūrvavacchodhayeddinam /Context
RRÅ, R.kh., 7, 40.1
  śaṅkhaṃ nīlāñjanaṃ caiva sarvoparasāśca ye /Context