References

RKDh, 1, 1, 43.2
  ācchādya dīptair upalair yantraṃ bhūdharasaṃjñakam //Context
RKDh, 1, 1, 46.2
  etad bhūdharayantraṃ syāt sūtasaṃskārakarmaṇi //Context
RKDh, 1, 2, 39.2
  dīptopalaiḥ saṃvṛṇuyād yantraṃ tad bhūdharāhvayam //Context