References

RCūM, 11, 85.2
  pāṣāṇagairikaṃ proktaṃ kaṭhinaṃ tāmravarṇakam //Context
RCūM, 4, 96.1
  kaṭhinānyapi lohāni bhakṣituṃ bhavati kṣamaḥ /Context