References

RPSudh, 4, 79.2
  yacchuddhaṃ saralaṃ śubhraṃ khuraṃ tadabhidhīyate //Context
RPSudh, 5, 5.1
  vajraṃ pinākaṃ nāgaṃ ca maṃḍūkamabhidhīyate /Context