References

RCūM, 14, 152.2
  vighaṭṭayan dṛḍhaṃ dorbhyāṃ darvyā cātha prayatnataḥ //Context
RRS, 5, 177.2
  vighaṭṭayandṛḍhaṃ dorbhyāṃ lohadarvyā prayatnataḥ //Context