References

RRÅ, R.kh., 8, 26.1
  tadgolaṃ pātālayantre tadā yāmatrayaṃ pacet /Context
RRÅ, V.kh., 10, 74.2
  tadā kāsīsaṃ saurāṣṭrī kṣāratrayaṃ kaṭutrayam //Context
RRÅ, V.kh., 11, 36.2
  aṣṭamāṃśam avaśiṣyate tadā śuddhasūta iti kathyate budhaiḥ //Context