References

RAdhy, 1, 33.2
  mardito nirmalībhūtaḥ kṛṣṇatvaṃ tyajati dhruvam //Context
RHT, 6, 6.1
  itthaṃ ca śoṣitajalaḥ karamardanataḥ sunirmalībhūtaḥ /Context