BhārGS, 1, 3, 6.0 pavitrāntarhitāyām ājyasthālyām ājyaṃ nirupyottareṇāgnim aṅgārān nirūhya teṣvadhiśrityāvadyotya darbhataruṇābhyāṃ pratyasya triḥ paryagnikṛtvodagudvāsyāṅgārān pratyūhyodagagrābhyāṃ pavitrābhyāṃ punarāhāraṃ trir utpūya pavitre agnāvādhāya śamyābhiḥ paridadhāti //