References

RRĂ…, V.kh., 19, 59.2
  punastāpyaṃ punaḥ secyaṃ dravo yāvadviśuṣyati /Context
ŚdhSaṃh, 2, 11, 103.1
  tannīraṃ kvāthayedvahnau yāvatsarvaṃ viśuṣyati /Context