Rasendrapurana 3.106

Rasendrapurāṇa 3.106

tejoyaṃtram
bhāṃḍe cārddhapramāṇena dravyaṃ sthāpya prayatnataḥ
tanmukhe dvinalīyaṃtraṃ saṃsthāpya ca nirodhayet