References

BhPr, 1, 8, 177.1
  aśuddhaṃ kurute vajraṃ kuṣṭhaṃ pārśvavyathāṃ tathā /Context
BhPr, 2, 3, 240.1
  aśuddhaṃ kurute vajraṃ kuṣṭhaṃ pārśvavyathāṃ tathā /Context