References

BhPr, 1, 8, 143.2
  āvarttamaṇisaṃjñaśca hyāvartto'pi tathaiva ca /Context
BhPr, 2, 3, 42.0
  yantraṃ ḍamarusaṃjñaṃ syāttatsthālyā mudrite mukhe //Context
BhPr, 2, 3, 163.2
  yantre bhūdharasaṃjñe tu tataḥ sūto viśudhyati //Context