References

RArṇ, 12, 201.1
  oṃ namo rudrāya daṃṣṭrotkaṭāya vighnanāśāya diśāṃ rakṣa rakṣa vidiśāṃ rakṣa rakṣa rudro vijñāpayati huṃ phaṭ svāhā /Context
RArṇ, 12, 201.2
  oṃ namo bhagavate rudrāya triśūlahastāya amṛtodbhavāya rakṣa rakṣa phaṭ svāhā /Context