References

KaiNigh, 2, 74.2
  rasāgryaṃ tārkṣyajaṃ tārkṣyamanyad dārvīrasodbhavam //Context
MPālNigh, 4, 39.2
  rasāgryaṃ kṛtrimaṃ tārkṣyaṃ dārvyaṃ dārvīrasodbhavam //Context